:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#fff;--paper-rgb:255 255 255;--paper-light:#fff;--paper-deep:#f1f1ed;--ink:#171714;--ink-rgb:23 23 20;--red:#f04b2f;--red-rgb:240 75 47;--blue:#284fef;--blue-rgb:40 79 239;--yellow:#f2c94c;--yellow-rgb:242 201 76;--prompt-accent:var(--yellow);--green:#00af04;--green-rgb:0 175 4;--line:rgb(var(--ink-rgb) / .22);--raised-paper:rgb(var(--paper-rgb) / .94);--guide-canvas:#ddd8cf;--dialog-backdrop:#090a08b8;--surface-glint-strong:#ffffff75;--surface-glint:#ffffff6b;--surface-wash:#ffffff47;--surface-soft:#ffffff3d;--surface-faint:#ffffff38;--recall-placeholder:rgb(var(--ink-rgb) / .55);--recall-help:rgb(var(--ink-rgb) / .68);--mono:"IBM Plex Mono", monospace;--sans:"Space Grotesk", "Noto Sans JP", sans-serif;--jp:"Noto Sans JP", sans-serif}:root[data-paper-theme=warm]{--paper:#f2e5df;--paper-rgb:242 229 223;--paper-light:#fbf8f0;--paper-deep:#e5ddcc;--raised-paper:rgb(var(--paper-rgb) / .94)}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--paper);color:var(--ink);font-family:var(--sans);margin:0;transition:background-color .18s,color .18s;overflow-x:hidden}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit;font:inherit}.noise{z-index:20;opacity:.055;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");position:fixed;inset:0}.topbar{justify-content:space-between;align-items:center;height:82px;padding:0 clamp(20px,4vw,64px);display:flex}.wordmark{color:inherit;letter-spacing:-.04em;align-items:center;gap:12px;font-size:18px;font-weight:700;text-decoration:none;display:flex}.wordmark-mark{background:var(--ink);width:36px;height:36px;color:var(--paper);font-family:var(--jp);place-items:center;font-size:19px;display:grid}.top-actions{align-items:center;gap:28px;display:flex}.text-button{font:600 12px var(--mono);letter-spacing:.06em;cursor:pointer;background:0 0;border:0;border-bottom:1px solid #0000;padding:8px 0}.text-button:hover{border-bottom-color:var(--ink)}.text-button span{color:var(--red)}.paper-theme-toggle{--toggle-warm:#f2e5df;--toggle-white:#fff;border:1px solid var(--ink);background:linear-gradient(90deg, var(--toggle-warm) 0 50%, var(--toggle-white) 50%);cursor:pointer;border-radius:999px;flex:none;width:36px;height:20px;padding:0;position:relative}.paper-theme-toggle span{border:1px solid var(--ink);background:var(--toggle-warm);border-radius:50%;width:12px;height:12px;transition:left .16s cubic-bezier(.2,.8,.2,1),background-color .16s;position:absolute;top:3px;left:3px;box-shadow:0 0 0 1px #ffffffa6}.paper-theme-toggle[data-theme=white] span{background:var(--toggle-white);left:19px}.paper-theme-toggle:hover,.paper-theme-toggle:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.account-button{align-items:center;gap:7px;display:inline-flex}.account-button i{background:rgb(var(--ink-rgb) / .28);border-radius:50%;width:7px;height:7px}.account-button.error i{background:var(--red)}.account-button span{color:inherit}main{min-height:calc(100vh - 82px)}.screen{min-height:calc(100vh - 82px);padding:clamp(32px,5vw,72px) clamp(20px,7vw,112px);display:none}.screen.active{animation:.42s cubic-bezier(.2,.8,.2,1) both screen-in;display:flex}.intro{flex-direction:column;justify-content:flex-start;align-items:center;position:relative;overflow:clip}.intro:after{content:"走";z-index:-1;color:var(--red);font:900 min(45vw, 640px)/1 var(--jp);opacity:.075;position:absolute;top:180px;right:-11vw;transform:rotate(-8deg)}.edition-tag{width:min(100%,1240px);font:600 12px var(--mono);letter-spacing:.07em;align-items:center;gap:10px;margin-bottom:18px;display:flex}.edition-tag span{background:var(--blue);width:34px;height:8px}.home-intro-copy{z-index:1;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);align-items:end;gap:clamp(34px,4vw,64px);width:min(100%,1240px);margin-bottom:clamp(28px,3vw,42px);display:grid;position:relative}.home-intro-copy h1{letter-spacing:-.065em;word-spacing:.08em;margin:0;font-size:clamp(45px,5.4vw,82px);font-weight:700;line-height:.82}.home-intro-copy h1 em{color:var(--blue);font-style:normal}.home-intro-copy p{border-left:2px solid var(--red);max-width:520px;color:rgb(var(--ink-rgb) / .68);margin:0 0 2px;padding-left:18px;font-size:14px;font-weight:500;line-height:1.55}.result h2{letter-spacing:-.085em;max-width:980px;margin:0;font-size:clamp(66px,11vw,162px);font-weight:700;line-height:.78}.result h2 em{color:#0000;-webkit-text-stroke:2px var(--ink);font-style:normal}.home-layout{z-index:1;grid-template-columns:minmax(0,1fr);align-items:start;gap:22px;width:min(100%,1240px);display:grid;position:relative}.study-console{align-self:start;position:static}.home-section-heading{border-bottom:1px solid rgb(var(--ink-rgb) / .46);min-height:32px;color:rgb(var(--ink-rgb) / .58);font:600 9px var(--mono);letter-spacing:.09em;justify-content:space-between;align-items:flex-end;gap:20px;padding:0 2px 9px;display:flex}.home-section-heading span:first-child{color:var(--blue)}.home-command{border:1.5px solid var(--ink);border-top:6px solid var(--blue);background:var(--raised-paper);width:100%;box-shadow:10px 10px 0 rgb(var(--ink-rgb) / .09);grid-template-columns:minmax(0,1.2fr) minmax(350px,.8fr);display:grid;position:relative}.current-run{min-width:0;padding:clamp(26px,3vw,42px)}.home-recommendation{gap:7px;padding-bottom:18px;display:grid}.home-recommendation>span,.current-selection span,.home-review-label{color:var(--red);font:600 9px var(--mono);letter-spacing:.1em}.home-recommendation>strong{overflow-wrap:anywhere;letter-spacing:-.065em;max-width:720px;font-size:clamp(38px,4.15vw,62px);line-height:.9}.home-recommendation>p{max-width:620px;color:rgb(var(--ink-rgb) / .7);font:500 11px/1.55 var(--mono);margin:2px 0 0}.home-recommendation[data-kind=daily-review]>span{color:var(--blue)}.home-recommendation[data-kind=daily-refresher]>span{color:var(--red)}.current-selection{border-top:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;gap:4px 24px;margin-bottom:24px;padding-top:16px;display:grid}.current-selection>span,.current-selection>strong,.current-selection>small{grid-column:1}.current-selection strong{overflow-wrap:anywhere;letter-spacing:-.045em;font-size:clamp(22px,2vw,29px);line-height:1}.current-selection small{color:rgb(var(--ink-rgb) / .58);font:600 9px var(--mono);letter-spacing:.055em}.current-deck-actions{grid-area:1/2/4;align-self:center;align-items:center;gap:12px;display:flex}.change-deck-button{border:0;border-bottom:1px solid var(--ink);font:600 9px var(--mono);letter-spacing:.08em;cursor:pointer;background:0 0;padding:10px 0 8px}.change-deck-button span{color:var(--blue);margin-left:8px;font-size:14px}.change-deck-button:hover{color:var(--blue);border-bottom-color:var(--blue)}.change-deck-button:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.home-review{border-left:1px solid var(--line);min-width:0;padding:clamp(26px,3vw,40px)}.home-review-clear{border:1px solid var(--line);color:rgb(var(--ink-rgb) / .58);font:600 8px/1.45 var(--mono);letter-spacing:.06em;margin:11px 0 0;padding:12px}.daily-bite-launch{border:1.5px solid var(--blue);background:var(--paper);width:100%;min-height:68px;color:var(--ink);text-align:left;cursor:pointer;box-shadow:3px 3px 0 var(--blue);margin-top:11px;padding:10px 58px 10px 12px;transition:transform .16s cubic-bezier(.2,.8,.2,1),box-shadow .16s cubic-bezier(.2,.8,.2,1);position:relative;overflow:hidden}.daily-bite-launch:hover{box-shadow:5px 5px 0 var(--blue);background:#284fef14;transform:translate(-2px,-2px)}.daily-bite-launch:active{box-shadow:1px 1px 0 var(--blue);transform:translate(2px,2px)}.daily-bite-launch:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.daily-refresher-launch{border-color:var(--red);box-shadow:3px 3px 0 var(--red)}.daily-refresher-launch:hover{box-shadow:5px 5px 0 var(--red);background:#ff4e3712}.daily-refresher-launch:active{box-shadow:1px 1px 0 var(--red)}.daily-refresher-launch:focus-visible{outline-color:var(--red)}.daily-refresher-launch .daily-bite-eyebrow{color:var(--blue)}.daily-bite-copy{z-index:2;grid-template-columns:auto 1fr;align-items:baseline;gap:1px 7px;display:grid;position:relative}.daily-bite-eyebrow{color:var(--red);font:600 7px var(--mono);letter-spacing:.1em;grid-column:1/-1}.daily-bite-copy strong{letter-spacing:-.055em;align-items:baseline;gap:5px;font-size:22px;line-height:1;display:flex}.daily-bite-copy strong small{font:600 8px var(--mono);letter-spacing:.08em}.daily-bite-detail{font:600 8px/1.25 var(--mono);text-overflow:ellipsis;white-space:nowrap;margin:0;overflow:hidden}.daily-bite-stamp{color:rgb(var(--ink-rgb) / .1);font:900 52px/1 var(--jp);position:absolute;top:50%;right:5px;transform:translateY(-53%)rotate(8deg)}.daily-bite-cta{z-index:2;font:600 7px var(--mono);letter-spacing:.08em;position:absolute;bottom:5px;right:7px}.daily-bite-cta span{color:var(--red);font-size:10px}.review-options{grid-template-columns:1fr 1fr;gap:7px;margin-top:11px;display:grid}.review-options .deck-option{text-align:left;justify-content:space-between;align-items:center;gap:8px;width:100%;min-width:0;min-height:46px;padding-inline:10px;display:flex}.review-options .deck-option small{font-size:13px}.review-options .deck-option:last-child{grid-column:1/-1}.home-library{border:1.5px solid var(--ink);background:rgb(var(--ink-rgb) / .018);width:100%;box-shadow:7px 7px 0 rgb(var(--ink-rgb) / .06)}.home-library>summary{cursor:pointer;-webkit-user-select:none;user-select:none;grid-template-columns:58px minmax(0,1fr) auto;align-items:center;gap:24px;min-height:126px;padding:24px 28px;list-style:none;transition:background-color .16s;display:grid;position:relative}.home-library>summary::-webkit-details-marker{display:none}.home-library>summary:hover{background:rgb(var(--blue-rgb) / .06)}.home-library>summary:focus-visible{outline:4px solid var(--blue);outline-offset:3px}.home-library[open]>summary{border-bottom:1.5px solid var(--ink);background:rgb(var(--blue-rgb) / .045)}.home-library-index{border:1px solid var(--ink);width:48px;height:48px;color:var(--blue);font:700 12px var(--mono);box-shadow:4px 4px 0 var(--blue);place-items:center;display:grid}.home-library-copy{gap:5px;min-width:0;display:grid}.home-library-copy>span{color:var(--red);font:600 9px var(--mono);letter-spacing:.1em}.home-library-copy strong{letter-spacing:-.05em;font-size:clamp(24px,2.7vw,38px);line-height:.96}.home-library-copy small{color:rgb(var(--ink-rgb) / .56);font:600 8px/1.45 var(--mono);letter-spacing:.08em}.home-library-action{border-bottom:1px solid var(--ink);min-width:154px;font:600 10px var(--mono);letter-spacing:.07em;justify-content:space-between;align-items:center;gap:22px;padding:12px 0 9px;display:flex}.home-library-action b{color:var(--blue);font-size:22px;line-height:1}.home-library[open] .home-library-action b{transform:rotate(45deg)}.deck-picker{width:100%;min-width:0;padding:28px}.deck-picker-heading{border-bottom:2px solid var(--ink);justify-content:space-between;align-items:flex-end;gap:20px;min-height:48px;margin-bottom:14px;padding:0 2px 12px;display:flex}.picker-label{font:600 17px var(--mono);letter-spacing:-.03em;display:block}.picker-help{color:rgb(var(--ink-rgb) / .52);font:600 9px var(--mono);letter-spacing:.08em;text-align:right}.deck-options{gap:15px;display:grid}.dialog-deck-options{flex-wrap:wrap;gap:7px;display:flex}.deck-library-group{border:1px solid rgb(var(--ink-rgb) / .18);border-left:4px solid var(--ink);background:rgb(var(--ink-rgb) / .025);flex-wrap:wrap;align-items:center;gap:4px 14px;padding:17px 20px 20px;transition:border-color .18s,background-color .18s,box-shadow .18s;display:flex}.deck-library-group.mastered-section{border-color:rgb(var(--green-rgb) / .52);border-left-color:var(--green);background:linear-gradient(105deg, rgb(var(--green-rgb) / .095), rgb(var(--green-rgb) / .025) 62%, transparent);box-shadow:inset 0 0 0 1px rgb(var(--green-rgb) / .08)}.deck-group-label{color:var(--red);font:600 9px var(--mono);letter-spacing:.1em;flex:1 0 100%}.deck-library-group .deck-group-label{border-bottom:1px solid rgb(var(--ink-rgb) / .14);margin:0 0 9px;padding:0 0 10px}.dialog-deck-options .deck-group-label{border-top:1px solid rgb(var(--ink-rgb) / .2);margin-top:16px;padding-top:13px}.deck-range-browser{flex-wrap:wrap;flex:1 0 100%;grid-column:1/-1;align-items:flex-start;gap:8px;min-width:0;margin-top:7px;display:flex}.deck-range-browser:not(:has(.deck-range-cluster[open])){display:contents}.deck-range-cluster{border:1px solid rgb(var(--ink-rgb) / .2);background:rgb(var(--paper-rgb) / .68);flex:auto;min-width:0;max-width:480px;transition:flex-basis .22s cubic-bezier(.2,.8,.2,1),max-width .22s cubic-bezier(.2,.8,.2,1),border-color .16s,background-color .16s,box-shadow .16s}.deck-range-cluster.mastered-range{border-color:rgb(var(--green-rgb) / .62);background:rgb(var(--green-rgb) / .065);box-shadow:inset 4px 0 0 rgb(var(--green-rgb) / .52)}.deck-range-cluster[open]{border-color:var(--ink);flex:1 0 100%;max-width:none}.deck-range-cluster.has-active{border-color:var(--blue)}.deck-range-cluster.mastered-range.has-active{border-color:var(--blue);box-shadow:inset 4px 0 0 rgb(var(--green-rgb) / .7), 0 0 0 1px #284fef1f}.deck-range-cluster summary{cursor:pointer;-webkit-user-select:none;user-select:none;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;width:100%;min-height:40px;padding:10px 38px 10px 12px;list-style:none;display:grid;position:relative}.deck-range-cluster summary::-webkit-details-marker{display:none}.deck-range-cluster summary:after{content:"+";color:var(--blue);font:700 18px/1 var(--mono);position:absolute;right:13px}.deck-range-cluster[open] summary:after{content:"−"}.deck-range-cluster.mastered-range summary:after,.deck-range-cluster.mastered-range summary small{color:var(--green)}.deck-range-cluster summary:hover{background:rgb(var(--ink-rgb) / .04)}.deck-range-cluster summary:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}.deck-range-cluster summary strong{font:700 12px var(--mono);letter-spacing:.06em}.deck-range-cluster.mastered-range summary strong:after{content:" ✓";color:var(--green)}.deck-range-cluster summary small{color:rgb(var(--ink-rgb) / .55);font:600 8px var(--mono);letter-spacing:.06em}.deck-range-cluster.has-active summary strong{color:var(--blue)}.deck-range-options{border-top:1px solid rgb(var(--ink-rgb) / .16);grid-template-columns:repeat(5,minmax(0,1fr));gap:6px 10px;padding:8px 12px 14px;display:grid}.deck-range-options .deck-option{min-width:0}.n5-deck-option{border-color:var(--blue)}.n4-deck-option{border-color:var(--red)}.n3-deck-option{border-color:var(--yellow)}.n2-deck-option{border-color:var(--green)}.n1-deck-option{border-color:var(--red)}.level-3-deck-option,.jlpt-sample-deck-option{border-color:var(--green)}.adult-life-deck-option{border-color:#9b4dbe}.deck-option{border:1px solid var(--ink);background:var(--paper);min-height:40px;font:600 10px var(--mono);letter-spacing:.03em;cursor:pointer;padding:8px 12px;transition:background .12s,color .12s,transform .12s;position:relative}.deck-option.mastered{border-color:var(--green);padding-right:24px}.deck-option.mastered:after{content:"✓";color:var(--green);font:700 11px var(--mono);opacity:.68;position:absolute;top:4px;right:6px}.deck-option.mastered.active:after{color:var(--yellow);opacity:.9}.deck-mastery-line{background:var(--green);pointer-events:none;height:2px;position:absolute;bottom:-1px;left:0}.deck-option.active .deck-mastery-line{background:#fff}.deck-option small{color:var(--red);font:inherit}.deck-option:hover{transform:translateY(-2px)}.deck-option:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.deck-option:disabled{opacity:.4;cursor:not-allowed;transform:none}.deck-option.active{background:var(--blue);color:#fff;box-shadow:3px 3px 0 var(--ink)}.deck-option.active small{color:var(--yellow)}.deck-options .deck-all-option{background:rgb(var(--ink-rgb) / .04);border-width:1.5px;min-width:102px}.deck-options .deck-all-option.active{background:var(--blue)}.deck-options .deck-option:not(.deck-all-option){border:0;border-bottom:1px solid rgb(var(--ink-rgb) / .24);min-height:34px;box-shadow:none;background:0 0;padding:7px 2px}.deck-options .deck-option:not(.deck-all-option):hover{border-bottom-color:var(--ink);transform:translateY(-1px)}.deck-options .deck-option:not(.deck-all-option).mastered{border-bottom-color:rgb(var(--green-rgb) / .45);color:var(--green);padding-right:17px}.deck-options .deck-option:not(.deck-all-option).mastered:after{top:50%;right:1px;transform:translateY(-50%)}.deck-options .deck-option:not(.deck-all-option).active{border-bottom-color:var(--blue);background:var(--blue);color:#fff;box-shadow:2px 2px 0 var(--ink);padding-inline:9px}.deck-options .deck-option:not(.deck-all-option).active.mastered{color:#fff}.needs-work-deck-option{border-color:var(--red)}.daily-review-deck-option{border-color:var(--yellow)}.start-actions{grid-template-columns:minmax(0,1fr);align-items:stretch;gap:12px;display:grid}.home-command .primary-button{grid-column:1/-1;width:100%;min-width:0}.home-command .home-start-button{text-align:left;min-height:60px;box-shadow:4px 4px 0 var(--blue);gap:16px;padding:16px 20px}.home-start-button strong{font:600 14px/1.2 var(--mono);letter-spacing:-.035em;white-space:nowrap}.home-start-button .arrow{flex:none}.home-start-button .arrow .action-icon{width:24px;height:24px}.home-mode-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.home-mode-options:has(.hidden){grid-template-columns:minmax(0,1fr)}.home-mode-button{border:1px solid var(--line);min-width:0;min-height:48px;color:var(--ink);text-align:left;cursor:pointer;background:0 0;align-items:center;gap:10px;padding:14px;transition:background .14s,border-color .14s;display:flex}.home-mode-button>.action-icon:first-child{width:18px;height:18px;color:var(--blue)}.home-mode-button>.action-icon:last-child{width:16px;height:16px;color:rgb(var(--ink-rgb) / .5);margin-left:auto}.home-mode-button strong{font:600 12px/1.25 var(--mono);letter-spacing:-.025em;white-space:nowrap}.home-mode-button:hover{border-color:var(--blue);background:rgb(var(--blue-rgb) / .04)}.home-dungeon-button{border-color:rgb(var(--red-rgb) / .3);background:rgb(var(--red-rgb) / .045)}.home-dungeon-button>.action-icon:first-child{color:var(--red)}.home-dungeon-button:hover{border-color:var(--red);background:rgb(var(--red-rgb) / .09)}.home-mode-button:active{background:rgb(var(--ink-rgb) / .08)}.home-mode-button:disabled,.home-fast-button:disabled{opacity:.4;cursor:not-allowed}.home-mode-button:focus-visible,.home-fast-button:focus-visible,.home-start-button:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.home-command .study-button{min-width:0}.run-tools{--run-tools-duration:.26s;--run-tools-easing:cubic-bezier(.22, 1, .36, 1);border:1px solid var(--line);interpolate-size:allow-keywords;grid-column:1/-1}.run-tools::details-content{opacity:0;block-size:0;transition:block-size var(--run-tools-duration) var(--run-tools-easing), opacity var(--run-tools-duration) ease, content-visibility var(--run-tools-duration) allow-discrete;overflow:clip}.run-tools[open]::details-content{opacity:1;block-size:auto}.run-tools>summary{min-height:52px;color:rgb(var(--ink-rgb) / .6);font:600 10px/1.4 var(--mono);letter-spacing:.08em;cursor:pointer;justify-content:space-between;align-items:center;gap:16px;padding:14px 16px;list-style:none;transition:background .14s,color .14s;display:flex}.run-tools>summary::-webkit-details-marker{display:none}.run-tools>summary:hover{background:rgb(var(--ink-rgb) / .04);color:var(--ink)}.run-tools>summary:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.run-tools>summary>.action-icon{width:20px;height:20px;color:var(--blue);transition:transform var(--run-tools-duration) var(--run-tools-easing);transform:rotate(0)}.run-tools[open]>summary{border-bottom:1px solid var(--line);color:var(--ink)}.run-tools[open]>summary>.action-icon{transform:rotate(180deg)}.run-tools-actions{grid-template-columns:minmax(0,1fr);gap:12px;padding:16px;display:grid}@media (prefers-reduced-motion:reduce){.run-tools::details-content{transition:none}}.home-fast-button{border:1px solid var(--line);text-align:left;cursor:pointer;background:0 0;align-items:center;gap:12px;width:100%;min-width:0;min-height:44px;padding:10px 12px;display:flex}.home-fast-button>span{flex:1}.home-fast-button strong{font:600 10px/1.3 var(--mono)}.home-fast-button>.action-icon{color:rgb(var(--ink-rgb) / .55);flex:none}.home-fast-button:hover{background:rgb(var(--ink-rgb) / .04);border-color:rgb(var(--ink-rgb) / .4)}.home-command .practice-button{width:100%}.home-command .guide-export-group{width:100%;display:flex}.home-command .guide-export-group .study-button{flex:1}.primary-button{border:2px solid var(--ink);background:var(--ink);min-width:230px;color:var(--paper);font:600 13px var(--mono);cursor:pointer;box-shadow:6px 6px 0 var(--blue);justify-content:space-between;align-items:center;gap:32px;padding:18px 20px;transition:transform .13s,box-shadow .13s;display:flex}.primary-button:hover{box-shadow:9px 9px 0 var(--blue);transform:translate(-2px,-2px)}.primary-button:active{box-shadow:2px 2px 0 var(--blue);transform:translate(4px,4px)}.arrow{font-size:24px;line-height:1}.study-button{border:1.5px solid var(--ink);background:var(--paper);font:600 11px var(--mono);cursor:pointer;padding:16px 18px;transition:background .12s,color .12s,transform .12s}.study-button span{color:var(--red);margin-left:10px}.study-button:hover{background:var(--yellow);transform:translateY(-2px)}.dungeon-button{border-color:var(--red);background:var(--red);color:#fff}.dungeon-button span{color:var(--yellow)}.dungeon-button:hover{background:var(--ink);color:#fff}.dungeon-button:disabled{opacity:.32;cursor:not-allowed;transform:none}.practice-button{border-color:var(--green);background:rgb(var(--green-rgb) / .09);color:var(--green)}.practice-button span{color:var(--green)}.practice-button:hover{background:var(--green);color:#fff}.practice-button:hover span{color:var(--yellow)}.practice-button:disabled{opacity:.32;cursor:not-allowed;transform:none}.export-guide-button{border-color:var(--blue);color:var(--blue)}.export-guide-button span{color:var(--blue)}.export-guide-button:hover{background:var(--blue);color:#fff}.export-guide-button:hover span{color:var(--yellow)}.export-guide-button:disabled{opacity:.32;cursor:not-allowed;transform:none}.guide-export-group{align-items:stretch;display:inline-flex}.guide-export-group .study-button{white-space:nowrap;justify-content:center;align-items:center;gap:8px;padding-inline:12px;display:inline-flex}.guide-export-group .study-button>span{margin-left:0;display:inline-flex}.guide-export-group .export-guide-button,.guide-export-group .share-guide-button{border-right:0}.share-guide-button{border-color:var(--red);color:var(--red)}.share-guide-button span{color:var(--red)}.share-guide-button:hover{background:var(--red);color:#fff}.share-guide-button:hover span{color:var(--yellow)}.share-guide-button:disabled{opacity:.32;cursor:not-allowed;transform:none}.study-guide-view-button{border:1.5px solid var(--blue);background:var(--blue);color:#fff;width:42px;font:700 17px/1 var(--mono);cursor:pointer;place-items:center;padding:0;transition:background .12s,color .12s,transform .12s;display:grid}.study-guide-view-button:hover{background:var(--yellow);color:var(--ink);transform:translateY(-2px)}.study-guide-view-button:focus-visible{z-index:1;outline:3px solid var(--red);outline-offset:3px;position:relative}.study-guide-view-button:disabled{opacity:.32;cursor:not-allowed;transform:none}.game{isolation:isolate;flex-direction:column;padding-top:28px;position:relative;overflow:clip}.game>.game-status,.game>.playfield{z-index:1;position:relative}.time-scene{z-index:0;pointer-events:none;opacity:0;transition:opacity .42s,transform .9s cubic-bezier(.2,.8,.2,1);position:absolute;inset:0;overflow:hidden;transform:scale(1.025)}.time-scene:after{content:"";background:linear-gradient(90deg, rgb(var(--paper-rgb) / .2), transparent 30% 70%, rgb(var(--paper-rgb) / .18)), repeating-linear-gradient(0deg, #ffffff06 0 1px, transparent 1px 5px);mix-blend-mode:soft-light;position:absolute;inset:0}.time-scene.is-active{opacity:.92;transform:none}.time-scene.is-celebrating{opacity:1;z-index:2}.time-scene-celebration{z-index:1;color:var(--time-scene-ink,#fff3dd);text-align:center;opacity:0;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:24px 24px 150px;transition:opacity .4s,transform .6s cubic-bezier(.16,1,.3,1);display:flex;position:absolute;inset:0;transform:translateY(18px)scale(.94)}.time-scene.is-celebrating .time-scene-celebration{opacity:1;transform:none}.time-scene-celebration-kicker{font:700 10px/1.4 var(--mono);letter-spacing:.17em}.time-scene-celebration strong{max-width:min(90vw,850px);font:900 clamp(74px, 14vw, 185px)/1.1 var(--jp);letter-spacing:-.06em;overflow-wrap:anywhere;text-shadow:0 14px 65px #0000002e}.time-scene-celebration-reading{font:700 clamp(18px, 3vw, 27px)/1.25 var(--jp);letter-spacing:.05em}.time-scene-celebration-label{background:rgb(var(--paper-rgb) / .68);color:var(--ink);font:700 12px/1.4 var(--mono);letter-spacing:.1em;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:999px;padding:10px 20px}.time-scene.is-celebrating~.playfield .prompt-zone{color:var(--time-scene-ink,var(--ink));box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border-color:#0000}.time-scene.is-celebrating~.playfield .kanji-wrap{opacity:.17;transition:opacity .42s,transform .5s;transform:scale(.9)}@media (prefers-reduced-motion:reduce){.time-scene-celebration{transition:none;transform:none}}.time-scene canvas{width:100%;height:100%;display:block}.time-scene-caption{z-index:1;color:#fffaebdb;font-family:var(--mono);text-shadow:0 1px 12px #00000052;align-items:baseline;gap:10px;transition:opacity .18s,transform .28s cubic-bezier(.2,.8,.2,1);display:flex;position:absolute;bottom:clamp(18px,3vw,42px);right:clamp(20px,3.5vw,58px)}.time-scene-caption.is-retargeting{opacity:.28;transform:translateY(4px)}.time-scene-caption strong{letter-spacing:-.05em;font-size:clamp(18px,2vw,28px)}.time-scene-caption span{letter-spacing:.12em;font-size:8px;font-weight:600}.time-scene[data-theme=romance] .time-scene-caption strong,.time-scene[data-theme=sky] .time-scene-caption strong,.time-scene[data-theme=nightlife] .time-scene-caption strong,.time-scene[data-theme=social] .time-scene-caption strong{font-family:var(--jp);letter-spacing:.02em}@media (prefers-reduced-motion:reduce){.time-scene-caption{transition-duration:1ms;transform:none}}.time-scene.is-active~.game-status{border-bottom-color:rgb(var(--ink-rgb) / .42);background:rgb(var(--paper-rgb) / .72);-webkit-backdrop-filter:blur(13px)saturate(.88);backdrop-filter:blur(13px)saturate(.88);margin-inline:-14px;padding:14px 14px 24px;box-shadow:0 10px 26px #0a0f1c14}.time-scene.is-active~.playfield .prompt-zone,.time-scene.is-active~.playfield .study-card,.time-scene.is-active~.playfield .study-grid-card{background-color:rgb(var(--paper-rgb) / .88);-webkit-backdrop-filter:blur(10px)saturate(.8);backdrop-filter:blur(10px)saturate(.8)}.game-status{border-bottom:none;grid-template-columns:1fr 2fr 1fr;align-items:end;padding-bottom:24px;display:grid}.status-block{flex-direction:column;display:flex}.status-block-center{text-align:center;padding:0 24px}.status-block-right{align-items:flex-end}.status-label{font:600 10px var(--mono);letter-spacing:.07em}.status-block strong{font:700 28px var(--sans);letter-spacing:-.05em}.status-block small{color:var(--red);font-size:16px}.game-status.study-status{grid-template-columns:minmax(max-content,1fr) minmax(0,2fr) minmax(max-content,1fr);align-items:center}.study-status .study-view-context{gap:8px}.study-status .study-view-mark{width:32px;height:32px}.study-status .study-view-range{font-size:10px}.playfield{flex:1;grid-template-columns:minmax(260px,1fr) minmax(330px,.95fr);align-items:center;gap:clamp(30px,8vw,130px);padding:30px 4vw;display:grid}.prompt-zone{text-align:center;position:relative}.question-count{font:600 11px var(--mono);z-index:2;margin-bottom:6px;display:block;position:relative}.kanji-wrap{place-items:center;min-width:min(38vw,420px);min-height:min(38vw,420px);display:inline-grid;position:relative}.kanji-wrap h2{z-index:1;font:600 clamp(120px, 19vw, 290px)/1 var(--jp);letter-spacing:-.12em;margin:0;position:relative;transform:translate(-.04em)}.kanji-link{z-index:1;color:inherit;cursor:alias;text-decoration:none;position:relative}.kanji-link:after{content:"JISHO ↗";border:1px solid var(--ink);background:var(--paper);font:600 8px var(--mono);letter-spacing:.06em;opacity:0;padding:5px 7px;transition:opacity .14s,transform .14s;position:absolute;bottom:5%;right:4%;transform:translateY(5px)}.kanji-link:hover:after,.kanji-link:focus-visible:after{opacity:1;transform:none}.favorite-button{border:1.5px solid var(--ink);background:var(--paper);width:34px;height:34px;color:var(--ink);font:700 21px/1 var(--sans);cursor:pointer;border-radius:50%;place-items:center;padding:0;transition:transform .14s,background .14s,color .14s,opacity .14s;display:inline-grid}.favorite-button:hover{transform:rotate(-8deg)scale(1.08)}.favorite-button.active{background:var(--yellow);color:var(--ink)}.favorite-button:focus-visible{outline:3px solid var(--red);outline-offset:3px}.favorite-button:disabled{opacity:.35;cursor:default;transform:none}.prompt-favorite-button{z-index:3;opacity:.48;width:38px;height:38px;font-size:23px;position:absolute;top:0;right:0}.prompt-favorite-button.active,.prompt-favorite-button[aria-pressed=true]{background:var(--yellow);color:var(--ink);opacity:1}.prompt-favorite-button:hover,.prompt-favorite-button:focus-visible{opacity:1}.kanji-wrap h2.long{letter-spacing:1px;font-size:clamp(80px,11vw,170px)}.kanji-wrap h2.particle-exercise{letter-spacing:-.035em;text-wrap:balance;max-width:min(48vw,660px);font-size:clamp(34px,4.8vw,68px);line-height:1.32;transform:none}.particle-exercise-card .study-grid-word{letter-spacing:-.03em;font-size:clamp(22px,2.7vw,34px);line-height:1.25}.kanji-wrap.swap{animation:.36s cubic-bezier(.2,.8,.2,1) both kanji-swap}.accent-shape{aspect-ratio:1;background:var(--prompt-accent);border-radius:50%;width:72%;position:absolute;transform:rotate(-10deg)scaleX(.8)}.hint-button{border:1px solid var(--ink);font:600 10px var(--mono);cursor:pointer;z-index:2;background:0 0;padding:9px 12px;position:relative}.hint-button:hover{background:var(--ink);color:var(--paper)}.hint-button:disabled{opacity:.35;cursor:default}kbd{font:inherit;color:var(--red)}.meaning{min-height:20px;font:600 13px var(--mono);text-transform:uppercase;margin:12px 0 0}.hidden{display:none!important}.interaction-panel{width:100%}.playfield.study-mode{grid-template-columns:minmax(340px,.92fr) minmax(420px,1.08fr);align-items:stretch;gap:clamp(28px,5vw,80px);padding:32px 2vw 18px}.study-mode .prompt-zone{border:1.5px solid var(--ink);border-top:6px solid var(--red);background:linear-gradient(135deg, var(--surface-glint), transparent 58%), rgb(var(--paper-rgb) / .58);min-height:520px;box-shadow:10px 10px 0 rgb(var(--ink-rgb) / .08);justify-content:center;align-items:center;padding:28px;display:flex}.study-mode .question-count{color:rgb(var(--ink-rgb) / .62);letter-spacing:.08em;margin:0;position:absolute;top:24px;left:26px}.study-mode .prompt-favorite-button{top:20px;right:20px}.study-mode .kanji-wrap{min-width:min(34vw,390px);min-height:min(34vw,390px)}.study-mode .accent-shape{width:70%;box-shadow:inset 0 0 0 1px rgb(var(--ink-rgb) / .05);border-radius:46% 54% 52% 48%}.study-mode .interaction-panel{flex-direction:column;min-width:0;display:flex;container:study-panel/inline-size}.study-view-control{border:1px solid rgb(var(--ink-rgb) / .12);background:rgb(var(--paper-rgb) / .88);min-height:64px;color:rgb(var(--ink-rgb) / .65);font:600 10px var(--mono);letter-spacing:.08em;border-radius:12px;flex-wrap:nowrap;justify-content:flex-end;align-items:center;gap:16px;margin-bottom:18px;padding:10px 14px;display:flex}.study-view-context{flex-shrink:0;align-items:center;gap:12px;margin-right:auto;display:flex}.study-view-mark{background:rgb(var(--blue-rgb) / .07);width:40px;height:40px;color:var(--blue);border-radius:8px;place-items:center;display:grid}.study-view-mark .action-icon{width:20px;height:20px}.study-view-range{color:var(--ink);letter-spacing:.02em;white-space:nowrap;font-variant-numeric:tabular-nums;font-size:11px;font-weight:600}.study-view-layout{flex-shrink:0;align-items:center;display:flex}.study-view-actions{border-left:1px solid rgb(var(--ink-rgb) / .12);flex-shrink:0;align-items:center;gap:8px;padding-left:16px;display:flex}.time-scene-toggle{border:1px solid var(--ink);background:var(--ink);min-height:30px;color:var(--paper);font:700 8px var(--mono);letter-spacing:.07em;cursor:pointer;align-items:center;gap:6px;padding:5px 9px;transition:transform .14s,background-color .14s,color .14s;display:inline-flex}.time-scene-toggle[hidden]{display:none}.time-scene-toggle span:first-child{color:var(--yellow);font-size:14px;line-height:1}.time-scene-toggle:hover{background:var(--blue);transform:translateY(-1px)}.time-scene-toggle:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}.time-scene-toggle.is-off{color:rgb(var(--ink-rgb) / .62);background:0 0}.time-scene-toggle.is-off span:first-child{color:currentColor}.study-fast-launch,.study-dungeon-launch{border:1px solid var(--red);background:var(--red);color:#fff;min-height:42px;font:600 10px var(--mono);letter-spacing:.04em;white-space:nowrap;cursor:pointer;border-radius:6px;justify-content:center;align-items:center;gap:10px;padding:10px 14px;transition:background-color .12s,border-color .12s,transform .12s;display:inline-flex}.study-fast-launch{border-color:rgb(var(--ink-rgb) / .16);color:var(--ink);background:0 0}.study-fast-launch .action-icon{width:16px;height:16px}.study-fast-launch:hover{border-color:rgb(var(--ink-rgb) / .32);background:rgb(var(--ink-rgb) / .04);transform:translateY(-1px)}.study-dungeon-launch:hover{border-color:var(--ink);background:var(--ink);transform:translateY(-1px)}.study-fast-launch:focus-visible,.study-dungeon-launch:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.study-fast-launch:active,.study-dungeon-launch:active{transform:translateY(0)}.study-dungeon-launch:disabled{opacity:.45;cursor:not-allowed;transform:none}.study-page-size-toggle{border:1px solid rgb(var(--ink-rgb) / .06);background:rgb(var(--ink-rgb) / .045);border-radius:8px;grid-template-columns:36px 36px 44px;gap:2px;padding:3px;display:inline-grid}.study-page-size-toggle button{cursor:pointer;height:34px;color:rgb(var(--ink-rgb) / .65);font:600 11px var(--mono);background:0 0;border:0;border-radius:5px;place-items:center;padding:0;transition:background-color .14s,color .14s,transform .14s;display:grid}.study-page-size-toggle button[aria-pressed=true]{background:var(--blue);color:#fff}.study-page-size-toggle button:hover{color:var(--ink)}.study-page-size-toggle button[aria-pressed=true]:hover{color:#fff}.study-page-size-toggle button:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}@container study-panel (width<=760px){.study-view-control{flex-wrap:wrap;gap:12px;padding:10px}.study-view-mark{display:none}.study-view-actions{border-left:0;border-top:1px solid rgb(var(--ink-rgb) / .12);flex-basis:100%;justify-content:flex-end;gap:6px;padding:10px 0 0}.study-view-actions>button{gap:8px;min-height:38px;padding:8px 10px;font-size:9px}.study-page-size-toggle{grid-template-columns:28px 28px 34px}}@container study-panel (width<=460px){.study-view-control{gap:8px}.study-view-actions{grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.study-view-actions>button{white-space:normal;gap:5px;min-height:44px;padding:6px;font-size:8px}.time-scene-toggle{justify-content:center;min-width:30px;padding:5px}.time-scene-toggle span:last-child{display:none}.study-page-size-toggle button{height:38px}}@container study-panel (width<=360px){.study-view-control{gap:6px;padding:8px}.study-view-range{font-size:10px}.study-page-size-toggle{grid-template-columns:24px 24px 28px}.study-view-actions{gap:4px}}.playfield.study-four-up{grid-template-columns:minmax(0,1fr);align-items:start;gap:0;padding-inline:0}.playfield.study-four-up .prompt-zone{display:none}.playfield.study-four-up .interaction-panel{width:min(100%,1240px);margin:0 auto}.study-card{border:1.5px solid var(--ink);border-top:6px solid var(--blue);background:linear-gradient(160deg, var(--surface-glint-strong), transparent 52%), rgb(var(--paper-rgb) / .82);min-height:520px;box-shadow:10px 10px 0 var(--blue);flex-direction:column;padding:clamp(24px,3vw,38px);display:flex;position:relative}.panel-eyebrow{color:var(--red);font:600 9px var(--mono);letter-spacing:.1em}.study-reading-row{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:12px;margin-top:18px;padding-bottom:17px;display:flex}.study-reading{min-width:0;color:var(--blue);font:800 clamp(38px, 4.2vw, 58px)/1 var(--jp);white-space:nowrap}.study-tools{align-items:center;gap:8px;margin-left:auto;display:flex}.study-lookup-link{border:1px solid var(--ink);background:var(--paper-light);width:38px;height:38px;color:var(--ink);font:700 17px var(--mono);opacity:.72;place-items:center;text-decoration:none;transition:opacity .14s,transform .14s,background-color .14s;display:inline-grid;position:static}.study-lookup-link:hover,.study-lookup-link:focus-visible{background:var(--yellow);opacity:1;transform:translateY(-2px)}.study-meaning{border-left:3px solid var(--red);letter-spacing:-.015em;max-width:38rem;margin:22px 0;padding-left:15px;font-size:clamp(18px,2vw,23px);line-height:1.38}.sentence-example{border:1px solid rgb(var(--blue-rgb) / .16);border-left:3px solid var(--blue);background:rgb(var(--blue-rgb) / .045);min-width:0;color:var(--ink);overflow-wrap:anywhere;border-radius:8px;margin:0 0 20px;padding:16px 18px}.sentence-example[hidden]{display:none}.sentence-example p{margin:0}.sentence-example-header{align-items:flex-start;gap:12px;display:flex}.sentence-example-header>p{flex:1;min-width:0}.sentence-example-play{border:1px solid rgb(var(--blue-rgb) / .35);color:var(--blue);font:600 9px/1.3 var(--mono);cursor:pointer;white-space:nowrap;background:0 0;border-radius:5px;flex:none;margin-top:5px;padding:6px 8px}.sentence-example-play:hover,.sentence-example-play.speaking{background:var(--blue);color:var(--paper-light)}.sentence-example-play:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.sentence-example-japanese{font:500 clamp(19px, 2vw, 24px)/1.7 var(--jp)}.sentence-example-japanese mark{color:var(--red);background:0 0;padding:0;font-weight:400}.sentence-example-romaji{color:rgb(var(--ink-rgb) / .7);font-size:14px;line-height:1.6;margin-top:5px!important}.sentence-example-english{font-size:15px;line-height:1.6;margin-top:3px!important}.sentence-example-source{color:rgb(var(--ink-rgb) / .6);font:500 9px/1.5 var(--mono);text-underline-offset:3px;margin-top:9px;display:inline-block}.sentence-example-source:hover{color:var(--blue)}.sentence-example-source:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.study-grid-card .sentence-example,.n1-card .sentence-example{margin-bottom:16px;padding:12px 14px}.study-grid-card .sentence-example-japanese,.n1-card .sentence-example-japanese{font-size:19px}.study-grid-card .sentence-example-romaji,.n1-card .sentence-example-romaji{font-size:12px}.study-grid-card .sentence-example-english,.n1-card .sentence-example-english{font-size:13px}.study-breakdown{grid-template-columns:1fr 1fr;gap:8px;display:grid}.study-part{border:1px solid var(--line);background:var(--surface-soft);padding:12px 14px}.study-part strong{color:var(--ink);font:700 19px var(--jp);display:block}.study-part span{color:rgb(var(--ink-rgb) / .62);font:500 9px/1.4 var(--mono);text-transform:uppercase;margin-top:4px;display:block}.study-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.study-grid-card{border:1.5px solid var(--ink);border-top:5px solid var(--ink);background:linear-gradient(155deg, var(--surface-glint-strong), transparent 55%), rgb(var(--paper-rgb) / .82);min-width:0;min-height:330px;box-shadow:7px 7px 0 var(--blue);flex-direction:column;padding:21px 22px 22px;transition:transform .16s,box-shadow .16s;animation:.26s cubic-bezier(.2,.8,.2,1) both screen-in;display:flex;position:relative}.study-grid-card:after{content:"";background:var(--red);width:38px;height:5px;position:absolute;top:-5px;right:0}.study-grid-card:hover{box-shadow:9px 9px 0 var(--blue);transform:translate(-2px,-2px)}.study-grid-card:nth-child(2){animation-delay:35ms}.study-grid-card:nth-child(3){animation-delay:70ms}.study-grid-card:nth-child(4){animation-delay:.105s}.study-grid-card-head,.study-grid-word-row,.study-grid-tools{align-items:center;display:flex}.study-grid-card-head{justify-content:space-between;min-height:28px}.study-grid-index{background:rgb(var(--red-rgb) / .1);color:var(--red);font:600 8px var(--mono);letter-spacing:.08em;padding:4px 7px}.study-grid-favorite{opacity:.55;width:28px;height:28px;font-size:17px}.study-grid-word-row{justify-content:space-between;align-items:flex-end;gap:12px;margin-top:5px}.study-grid-word-link{min-width:0;color:inherit;text-decoration:none}.study-grid-word{font:500 clamp(34px, 4vw, 54px)/1.05 var(--jp);letter-spacing:-.08em;overflow-wrap:anywhere;margin:0}.study-grid-reading{color:var(--blue);font:700 23px/1.15 var(--jp);margin:9px 0 0}.study-grid-tools{flex:none;gap:6px}.study-grid-lookup-link,.study-grid-pronounce{border:1px solid var(--ink);width:30px;height:30px;color:var(--ink);cursor:pointer;background:0 0;place-items:center;text-decoration:none;transition:background-color .12s,color .12s,transform .12s;display:inline-grid}.study-grid-lookup-link{font:700 15px/1 var(--mono)}.study-grid-pronounce{padding:6px}.study-grid-pronounce svg{fill:currentColor;width:16px}.study-grid-pronounce svg path:last-child{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round}.study-grid-lookup-link:hover,.study-grid-pronounce:hover{background:var(--yellow);transform:translateY(-2px)}.study-grid-lookup-link:focus-visible,.study-grid-pronounce:focus-visible,.study-grid-favorite:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.study-grid-meaning{border-left:2px solid var(--red);margin:16px 0;padding-left:11px;font-size:14px;line-height:1.45}.study-grid-breakdown{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin-top:auto;display:grid}.study-grid-part{border:1px solid var(--line);background:var(--surface-faint);padding:9px}.study-grid-part strong{font:600 14px var(--jp);display:block}.study-grid-part span{color:rgb(var(--ink-rgb) / .58);font:500 8px/1.35 var(--mono);text-transform:uppercase;margin-top:3px;display:block}.study-grid-navigation{margin-top:16px}.study-navigation{grid-template-columns:54px minmax(0,1fr);gap:10px;margin-top:18px;display:grid}.study-previous{border:1.5px solid var(--ink);min-height:49px;color:var(--ink);font:600 24px/1 var(--mono);cursor:pointer;background:0 0;place-items:center;transition:background .12s,color .12s,transform .12s;display:grid}.study-previous:hover:not(:disabled){background:var(--yellow);transform:translate(-2px)}.study-previous:active:not(:disabled){transform:translate(-5px)}.study-previous:focus-visible,.study-next:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.study-previous:disabled{opacity:.24;cursor:not-allowed}.study-next,.check-button{border:1.5px solid var(--ink);background:var(--ink);width:100%;color:var(--paper);font:600 11px var(--mono);cursor:pointer;box-shadow:5px 5px 0 var(--red);justify-content:space-between;margin-top:18px;padding:16px 18px;transition:transform .12s,box-shadow .12s;display:flex}.study-navigation .study-next{margin-top:0}.study-next:hover,.check-button:hover{box-shadow:8px 8px 0 var(--red);transform:translate(-2px,-2px)}.study-next:active,.check-button:active{box-shadow:2px 2px 0 var(--red);transform:translate(3px,3px)}.time-scene.is-active~.game-status{border:0;border-radius:18px}.time-scene.is-active~.playfield .prompt-zone{box-shadow:none;color:var(--time-scene-ink,var(--ink));-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border:0;border-radius:26px;transition:color .32s}.time-scene.is-active~.playfield .accent-shape{opacity:0;transform:rotate(-10deg)scale(.62)}.time-scene.is-active~.playfield .question-count{background:rgb(var(--paper-rgb) / .48);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:999px;padding:6px 9px}.time-scene.is-active~.playfield .favorite-button{background:rgb(var(--paper-rgb) / .58);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:0;box-shadow:0 8px 24px #0a0f1c1a}.time-scene.is-active~.playfield .prompt-favorite-button[aria-pressed=true]{background:var(--yellow)}.time-scene.is-active~.playfield .study-view-control{background:rgb(var(--paper-rgb) / .68);-webkit-backdrop-filter:blur(14px)saturate(.82);backdrop-filter:blur(14px)saturate(.82);border:0;border-radius:14px;box-shadow:0 12px 36px #0a0f1c1a}.time-scene.is-active~.playfield .time-scene-toggle,.time-scene.is-active~.playfield .study-fast-launch,.time-scene.is-active~.playfield .study-dungeon-launch,.time-scene.is-active~.playfield .study-page-size-toggle{border:0;border-radius:9px}.time-scene.is-active~.playfield .time-scene-toggle{background:rgb(var(--ink-rgb) / .76);box-shadow:0 5px 16px #0a0f1c1f}.time-scene.is-active~.playfield .study-dungeon-launch{box-shadow:0 3px 10px rgb(var(--red-rgb) / .12)}.time-scene.is-active~.playfield .study-page-size-toggle{background:rgb(var(--ink-rgb) / .08);gap:2px}.time-scene.is-active~.playfield .study-page-size-toggle button{border-radius:7px}.time-scene.is-active~.playfield .study-card,.time-scene.is-active~.playfield .study-grid-card{box-shadow:none;color:var(--time-scene-ink,var(--ink));-webkit-backdrop-filter:none;backdrop-filter:none;text-shadow:0 2px 18px #0000001a;background:0 0;border:0;border-radius:24px;transition:color .32s,transform .16s}.time-scene.is-active~.playfield .study-grid-card:after{display:none}.time-scene.is-active~.playfield .study-grid-card:hover{box-shadow:none;transform:translateY(-3px)}.time-scene.is-active~.playfield .study-reading-row{border:0}.time-scene.is-active~.playfield .study-reading,.time-scene.is-active~.playfield .study-grid-reading{color:var(--time-scene-ink,var(--ink));opacity:1}.time-scene.is-active~.playfield .study-lookup-link,.time-scene.is-active~.playfield .study-pronounce-button,.time-scene.is-active~.playfield .study-grid-lookup-link,.time-scene.is-active~.playfield .study-grid-pronounce{background:rgb(var(--ink-rgb) / .07);border:0;border-radius:10px}.time-scene.is-active~.playfield .study-meaning,.time-scene.is-active~.playfield .study-grid-meaning{background:rgb(var(--ink-rgb) / .055);border:0;border-radius:12px;padding:13px 15px}.time-scene.is-active~.playfield .study-part,.time-scene.is-active~.playfield .study-grid-part{background:rgb(var(--ink-rgb) / .055);border:0;border-radius:11px}.time-scene.is-active~.playfield .study-part strong,.time-scene.is-active~.playfield .study-part span,.time-scene.is-active~.playfield .study-grid-part strong,.time-scene.is-active~.playfield .study-grid-part span{color:inherit}.time-scene.is-active~.playfield .study-part span,.time-scene.is-active~.playfield .study-grid-part span{opacity:.82}.time-scene.is-active~.playfield .study-previous,.time-scene.is-active~.playfield .study-next{box-shadow:none;border:0;border-radius:12px}.time-scene.is-active~.playfield .study-previous{background:rgb(var(--ink-rgb) / .07)}.time-scene.is-active~.playfield .study-next{background:var(--blue);color:#fff;box-shadow:0 10px 28px rgb(var(--blue-rgb) / .23)}.time-scene.is-active~.playfield .study-previous:hover:not(:disabled){background:rgb(var(--ink-rgb) / .13);transform:translate(-2px)}.time-scene.is-active~.playfield .study-next:hover{box-shadow:0 14px 32px rgb(var(--blue-rgb) / .3);transform:translateY(-2px)}.time-scene.is-active~.playfield .study-next:active{box-shadow:0 6px 18px rgb(var(--blue-rgb) / .2);transform:translateY(1px)}.recall-form{border:1.5px solid var(--ink);padding:clamp(24px,3vw,38px)}.recall-form label{font:600 10px var(--mono);letter-spacing:.08em;margin-bottom:13px;display:block}.recall-form input{border:0;border-bottom:4px solid var(--ink);width:100%;color:var(--ink);font:700 clamp(38px, 5vw, 66px)/1.1 var(--jp);background:0 0;outline:0;padding:12px 0 15px}.recall-form input:focus{border-bottom-color:var(--blue)}.recall-form input::placeholder{color:var(--recall-placeholder);opacity:1}.recall-form p{color:var(--recall-help);font:500 9px/1.5 var(--mono);text-transform:uppercase;margin:17px 0 0}.recall-form.is-particle-choice input,.recall-form.is-particle-choice .check-button{display:none}.recall-particle-choices{grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;display:grid}.recall-particle-choices.hidden{display:none}.recall-particle-choice{border:1px solid var(--ink);min-width:0;min-height:74px;color:var(--ink);font:700 clamp(25px, 3vw, 38px)/1 var(--jp);cursor:pointer;background:0 0;padding:13px 6px 7px;transition:transform .12s,background .12s,color .12s,box-shadow .12s;position:relative}.recall-particle-choice:before{content:attr(data-shortcut);color:rgb(var(--ink-rgb) / .45);font:600 7px/1 var(--mono);position:absolute;top:7px;left:8px}.recall-particle-choice:hover,.recall-particle-choice:focus-visible{background:var(--blue);color:#fff;box-shadow:0 3px 0 var(--ink);outline:0;transform:translateY(-2px)}.recall-particle-choice:hover:before,.recall-particle-choice:focus-visible:before{color:currentColor;opacity:.75}.answers{grid-template-columns:1fr 1fr;gap:12px;display:grid}.answer-button{border:1.5px solid var(--ink);min-height:128px;font:700 clamp(25px, 3vw, 38px) var(--jp);cursor:pointer;background:0 0;padding:22px;transition:transform .12s,background-color .12s,color .12s;position:relative;overflow:hidden}.answer-button span{font:500 10px var(--mono);position:absolute;top:10px;left:12px}.answer-button:hover:not(:disabled){background:var(--ink);color:var(--paper);box-shadow:5px 5px 0 var(--red);transform:translate(-3px,-3px)}.answer-button:active:not(:disabled){box-shadow:none;transform:translate(2px,2px)}.answer-button.correct{background:var(--green);color:#fff}.answer-button.wrong{background:var(--red);color:#fff;animation:.35s wrong-shake}.answer-button.dimmed{opacity:.32}.feedback{z-index:10;background:var(--ink);width:min(540px,100% - 24px);color:var(--paper);visibility:hidden;pointer-events:none;padding:22px 28px 20px;transition:transform .22s cubic-bezier(.2,.8,.2,1);position:fixed;bottom:0;right:0;transform:translateY(110%)}.feedback.show{visibility:visible;pointer-events:auto;transform:translateY(0)}.feedback.detailed.show{width:min(820px,100% - 48px);max-height:calc(100dvh - 32px);padding:36px 42px 32px;overflow-y:auto}.time-scene.is-celebrating~.feedback.detailed.show{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:#00000078;width:min(540px,100% - 24px);padding:22px 28px 20px}.feedback.detailed.show .feedback-head{gap:16px}.feedback.detailed.show .feedback-head strong{font-size:15px}.feedback.detailed.show .feedback-reading-tools{gap:14px}.feedback.detailed.show .feedback-reading-tools>span{font-size:clamp(34px,4vw,48px)}.feedback.detailed.show .feedback-lookup-link{font-size:23px}.feedback.detailed.show .pronounce-button{width:44px;height:44px;padding:9px}.feedback.detailed.show .feedback-meaning{margin-top:24px;padding-top:20px;font-size:clamp(20px,2vw,26px);line-height:1.35}.feedback.detailed.show .feedback-meaning:before{margin-bottom:8px;font-size:9px}.feedback.detailed.show .breakdown{gap:12px;margin-top:24px}.feedback.detailed.show .breakdown-item{padding:16px 18px}.feedback.detailed.show .breakdown-char{font-size:32px}.feedback.detailed.show .breakdown-definition{margin-top:5px;font-size:11px}.feedback.detailed.show .feedback-next{margin-top:26px;padding:18px 0 3px;font-size:13px}.feedback-head{justify-content:space-between;align-items:baseline;gap:24px;display:flex}.feedback-head strong{font:600 12px var(--mono);letter-spacing:.05em}.feedback-reading-tools{align-items:center;gap:10px;display:flex}.feedback-reading-tools>span{font:700 24px var(--jp)}.feedback-lookup-link{color:var(--paper);font:700 18px/1 var(--mono);opacity:.4;text-decoration:none;transition:opacity .14s,transform .14s}.feedback-lookup-link:hover,.feedback-lookup-link:focus-visible{opacity:1;transform:translate(2px,-2px)}.pronounce-button{border:1px solid rgb(var(--paper-rgb) / .55);width:36px;height:36px;color:var(--paper);cursor:pointer;background:0 0;place-items:center;padding:7px;transition:background .12s,color .12s,transform .12s;display:grid}.pronounce-button svg{fill:currentColor;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:100%;height:100%}.pronounce-button svg path:first-child{stroke:none}.pronounce-button:hover,.pronounce-button.speaking{background:var(--yellow);color:var(--ink);transform:translateY(-2px)}.pronounce-button.speaking{animation:.7s ease-in-out infinite alternate speaker-pulse}.study-pronounce-button{border-color:var(--ink);color:var(--ink);flex:none}.study-pronounce-button:hover,.study-pronounce-button.speaking{background:var(--blue);color:#fff}.feedback-meaning{border-top:1px solid rgb(var(--paper-rgb) / .28);margin:16px 0 0;padding-top:14px;font-size:16px;line-height:1.35}.feedback-meaning:before{content:"WHOLE WORD";color:var(--yellow);font:600 8px var(--mono);letter-spacing:.08em;margin-bottom:5px;display:block}.breakdown{grid-template-columns:1fr 1fr;gap:8px;margin-top:16px;display:none}.feedback.detailed .breakdown{display:grid}.breakdown-item{border:1px solid rgb(var(--paper-rgb) / .26);padding:10px 12px}.breakdown-char{font:400 23px var(--jp);display:block}.breakdown-definition{color:rgb(var(--paper-rgb) / .75);font:500 9px/1.35 var(--mono);text-transform:uppercase;margin-top:3px;display:block}.feedback-next{border:0;border-top:1px solid rgb(var(--paper-rgb) / .28);width:100%;color:var(--paper);font:600 10px var(--mono);cursor:pointer;background:0 0;justify-content:space-between;margin-top:18px;padding:11px 0 0;display:flex}.feedback-next:hover{color:var(--yellow)}.feedback-next span{font-size:17px}.grammar-library{width:min(100%,1240px)}.grammar-page .intro:after{content:"文"}.grammar-library-intro{grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);align-items:end;gap:36px;margin-bottom:38px;display:grid}.grammar-library-intro h1{letter-spacing:-.065em;margin:0;font-size:clamp(48px,5.6vw,80px);line-height:.94}.grammar-library-intro h1 em{color:var(--blue);font-style:normal}.grammar-library-intro>p{color:rgb(var(--ink-rgb) / .68);margin:0;font-size:14px;line-height:1.6}.grammar-course-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.grammar-course{border:1px solid var(--line);border-top:4px solid var(--blue);background:var(--raised-paper);flex-direction:column;min-width:0;padding:26px;display:flex}.grammar-course-meta{justify-content:space-between;align-items:start;gap:12px;min-height:36px;display:flex}.grammar-course-meta>span:first-child{color:var(--blue);font:600 10px var(--mono)}.grammar-course-meta>span[lang=ja]{color:rgb(var(--ink-rgb) / .55);font:500 18px var(--jp)}.grammar-course h2{letter-spacing:-.05em;margin:20px 0 10px;font-size:clamp(24px,2.5vw,34px);line-height:1.1}.grammar-course>p{margin:0;font-size:14px;line-height:1.5}.grammar-course>.grammar-course-topics{color:rgb(var(--ink-rgb) / .62);margin:10px 0 24px;font-size:12px}.grammar-course-counts{color:var(--blue);font:600 9px/1.5 var(--mono);margin-top:auto;padding-top:12px}.grammar-course-progress{color:rgb(var(--ink-rgb) / .55);font:500 8px var(--mono);gap:8px;margin:18px 0;display:grid}.grammar-course-progress progress{appearance:none;background:rgb(var(--ink-rgb) / .1);border:0;width:100%;height:3px}.grammar-course-progress progress::-webkit-progress-bar{background:rgb(var(--ink-rgb) / .1)}.grammar-course-progress progress::-webkit-progress-value{background:var(--blue)}.grammar-course-progress progress::-moz-progress-bar{background:var(--blue)}.grammar-course-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.grammar-course-actions button{border:1px solid var(--line);min-width:0;min-height:44px;font:600 10px var(--mono);cursor:pointer;background:0 0;justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;display:flex}.grammar-course-actions button:first-child{border-color:var(--ink);background:var(--ink);color:var(--paper)}.grammar-course-actions button:hover{border-color:var(--blue);background:var(--blue);color:#fff}.grammar-course-actions button:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.grammar-course-actions .action-icon{width:16px;height:16px}@media (width<=900px){.grammar-library-intro{grid-template-columns:1fr;gap:22px}.grammar-library-intro>p{max-width:560px}.grammar-course-list{grid-template-columns:1fr}.grammar-course{padding:22px}.grammar-course-meta{min-height:24px}.grammar-course h2{margin-top:14px;font-size:30px}}@media (width<=420px){.grammar-library-intro h1{font-size:clamp(35px,10.5vw,44px)}}.particle-study-mode{flex-direction:column;gap:16px;width:100%;padding:clamp(24px,3vw,42px) clamp(20px,4vw,68px) clamp(32px,5vw,64px)}.particle-study-header{border-bottom:1px solid var(--ink);grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;width:min(1240px,100%);min-height:54px;margin:0 auto;display:grid}.particle-study-header>div:nth-child(2){text-align:center}.particle-study-header span{font:600 8px var(--mono);letter-spacing:.14em;display:block}.particle-study-header strong{letter-spacing:-.04em;margin-top:3px;font-size:17px;display:block}.particle-study-count{text-align:right;justify-self:end}.particle-study-count strong{color:var(--blue);font-size:25px}.particle-study-count strong b{font-weight:700}.particle-study-layout{border:2px solid var(--ink);grid-template-columns:minmax(205px,.42fr) minmax(0,1.75fr);width:min(1240px,100%);min-height:min(690px,100vh - 184px);margin:0 auto;display:grid}.particle-study-rail{background:var(--ink);min-width:0;color:var(--paper);flex-direction:column;padding:28px 22px 24px;display:flex}.particle-study-rail-label{color:var(--yellow);font:700 8px var(--mono);letter-spacing:.14em}.particle-study-rail nav{border-top:1px solid rgb(var(--paper-rgb) / .28);margin-top:22px}.particle-study-tab{border:0;border-bottom:1px solid rgb(var(--paper-rgb) / .28);width:100%;min-height:58px;color:inherit;text-align:left;cursor:pointer;background:0 0;grid-template-columns:26px minmax(0,1fr);align-items:center;gap:8px;padding:10px 6px;display:grid}.particle-study-tab b{color:rgb(var(--paper-rgb) / .48);font:600 8px var(--mono)}.particle-study-tab span{font:700 10px/1.25 var(--mono);letter-spacing:.035em}.particle-study-tab:hover,.particle-study-tab:focus-visible{color:var(--yellow);outline:0}.particle-study-tab[aria-current=step]{background:var(--yellow);color:#171714;width:calc(100% + 16px);margin-inline:-8px;padding-inline:14px}.particle-study-tab[aria-current=step] b{color:#171714}.particle-study-skip{border:0;border-top:1px solid rgb(var(--paper-rgb) / .28);color:inherit;text-align:left;cursor:pointer;background:0 0;margin-top:auto;padding:16px 0 0}.particle-study-skip>span{color:rgb(var(--paper-rgb) / .5);font:600 7px var(--mono);letter-spacing:.09em;display:block}.particle-study-skip strong{color:var(--yellow);font:700 10px var(--mono);letter-spacing:.06em;justify-content:space-between;margin-top:7px;display:flex}.particle-study-skip:hover strong,.particle-study-skip:focus-visible strong{color:var(--blue)}.particle-study-skip:focus-visible{outline:0}.particle-study-chapter{background:var(--paper-light);flex-direction:column;min-width:0;padding:clamp(34px,4.5vw,60px);display:flex}.particle-study-chapter-head>span{color:var(--red);font:700 8px var(--mono);letter-spacing:.12em}.particle-study-chapter-head h1{letter-spacing:-.07em;margin:10px 0 12px;font-size:clamp(39px,5vw,68px);line-height:.92}.particle-study-chapter-head p{max-width:760px;color:rgb(var(--ink-rgb) / .68);margin:0;font-size:15px;line-height:1.5}.particle-study-cards{border:1px solid var(--ink);grid-template-columns:repeat(2,minmax(0,1fr));margin-top:30px;display:grid}.particle-study-cards[data-count="3"]{grid-template-columns:repeat(3,minmax(0,1fr))}.particle-study-card{border-right:1px solid var(--ink);min-width:0;padding:clamp(18px,2.3vw,28px)}.particle-study-card:last-child{border-right:0}.particle-study-card-head{justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.particle-study-symbol{color:var(--blue);font:800 clamp(42px, 5vw, 66px)/.8 var(--jp);letter-spacing:-.08em}.particle-study-role{max-width:140px;color:rgb(var(--ink-rgb) / .62);font:700 8px/1.35 var(--mono);letter-spacing:.08em;text-align:right;padding-top:3px}.particle-study-sentence{min-height:2.8em;font:700 clamp(21px, 2.3vw, 32px)/1.35 var(--jp);letter-spacing:-.035em;margin:24px 0 12px}.particle-study-sentence .particle-slot{background:var(--yellow);color:#171714;border:0;min-width:0;margin:0 .06em;padding:0 .12em}.particle-study-card>p{color:rgb(var(--ink-rgb) / .72);margin:0;font-size:13px;line-height:1.5}.grammar-lab .particle-study-cards,.grammar-lab .particle-study-cards[data-count="3"]{grid-template-columns:repeat(2,minmax(0,1fr))}.grammar-lab .particle-study-card{box-shadow:inset -1px -1px 0 var(--line);border:0}.grammar-lab .particle-study-card-head{flex-direction:column;gap:10px}.grammar-lab .particle-study-symbol{letter-spacing:-.035em;overflow-wrap:anywhere;font-size:clamp(22px,2.4vw,32px);line-height:1.4}.grammar-lab .particle-study-role{text-align:left;max-width:none}.grammar-lab .particle-study-sentence{overflow-wrap:anywhere;font-size:clamp(22px,2.3vw,28px)}.grammar-reference{color:rgb(var(--ink-rgb) / .65);font:500 8px/1.5 var(--mono);align-self:flex-start;align-items:center;gap:6px;margin-top:18px;text-decoration:none;display:inline-flex}.grammar-reference:hover{color:var(--blue);text-decoration:underline}.grammar-reference .action-icon{width:12px;height:12px}.grammar-example{border-left:3px solid var(--blue);background:rgb(var(--blue-rgb) / .045);margin-top:22px;padding:16px 18px}.grammar-example>span{color:var(--blue);font:600 8px var(--mono);letter-spacing:.08em}.grammar-example>p{margin:8px 0 0;font-size:14px;line-height:1.6}.grammar-example>p[lang=ja]{font:600 21px/1.55 var(--jp)}.grammar-example>.grammar-example-reading[lang=ja]{color:rgb(var(--ink-rgb) / .65);font-size:13px;font-weight:400}.grammar-lab .particle-guide h2{overflow-wrap:anywhere;font-size:clamp(28px,3vw,42px);line-height:1.45}.grammar-lab .particle-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.grammar-lab .particle-choice{overflow-wrap:anywhere;min-width:0;min-height:68px;padding:18px 12px 14px 26px;font-size:clamp(17px,2vw,24px);line-height:1.45}.grammar-lab .particle-answer-status strong{overflow-wrap:anywhere}.is-grammar-choice .recall-particle-choices{grid-template-columns:repeat(2,minmax(0,1fr))}.is-grammar-choice .recall-particle-choice{overflow-wrap:anywhere;font-size:20px;line-height:1.5}@media (width<=760px){.grammar-lab .particle-study-cards,.grammar-lab .particle-study-cards[data-count="3"]{grid-template-columns:minmax(0,1fr)}.grammar-lab .particle-guide h2{grid-area:auto/1/auto/-1;font-size:26px}.grammar-lab .particle-choice{font-size:17px}}.particle-study-takeaway{border:1px solid var(--line);border-left:5px solid var(--blue);grid-template-columns:130px minmax(0,1fr);gap:18px;margin-top:22px;padding:16px 18px;display:grid}.particle-study-takeaway>span{color:var(--blue);font:700 8px var(--mono);letter-spacing:.1em;padding-top:3px}.particle-study-takeaway p{margin:0;font-size:14px;line-height:1.5}.particle-study-navigation{justify-content:space-between;gap:18px;margin-top:auto;padding-top:26px;display:flex}.particle-study-navigation button{min-height:44px;font:700 9px var(--mono);letter-spacing:.07em;cursor:pointer;background:0 0;border:0;padding:0}.particle-study-navigation button:disabled{opacity:.25;cursor:default}.particle-study-navigation button:not(:disabled):hover,.particle-study-navigation button:focus-visible{color:var(--blue);outline:0}.particle-study-navigation button:last-child{border:1.5px solid var(--ink);justify-content:space-between;align-items:center;min-width:190px;padding:0 15px;display:flex}.particle-study-navigation button:last-child:hover,.particle-study-navigation button:last-child:focus-visible{background:var(--blue);color:#fff}.particle-study-navigation button:last-child b{font-size:17px}.particle-mode{--particle-good:var(--green);flex-direction:column;gap:16px;width:100%;padding:clamp(24px,3vw,42px) clamp(20px,4vw,68px) clamp(32px,5vw,64px)}.particle-mode-header{border-bottom:1px solid var(--ink);grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;width:min(1240px,100%);min-height:54px;margin:0 auto;display:grid}.particle-mode-header>div:nth-child(2){text-align:center}.particle-mode-header span{font:600 8px var(--mono);letter-spacing:.14em;display:block}.particle-mode-header strong{letter-spacing:-.04em;margin-top:3px;font-size:17px;display:block}.particle-exit{font:700 9px var(--mono);letter-spacing:.08em;cursor:pointer;background:0 0;border:0;justify-self:start;padding:8px 0}.particle-exit:hover,.particle-exit:focus-visible{color:var(--blue);outline:0}.particle-run-score{text-align:right;justify-self:end}.particle-run-score strong{color:var(--blue);font-size:25px}.particle-run-score strong b{font-weight:700}.particle-mode-layout{border:2px solid var(--ink);grid-template-columns:minmax(250px,.58fr) minmax(0,1.62fr);width:min(1240px,100%);min-height:min(680px,100vh - 190px);margin:0 auto;display:grid}.particle-guide{background:var(--ink);color:var(--paper);flex-direction:column;padding:clamp(24px,2.5vw,36px);display:flex}.particle-guide-kicker{color:var(--yellow);font:700 8px var(--mono);letter-spacing:.14em}.particle-guide h2{font:700 clamp(58px, 6vw, 84px)/.9 var(--jp);letter-spacing:-.08em;margin:18px 0 0}.particle-guide h2 span{color:rgb(var(--paper-rgb) / .32)}.particle-guide h2 em{color:var(--yellow);font-style:normal}.particle-guide>p{max-width:290px;color:rgb(var(--paper-rgb) / .72);margin:20px 0 26px;font-size:13px;line-height:1.5}.particle-role-preview{border:1px solid rgb(var(--paper-rgb) / .22);grid-template-columns:1fr 1fr;display:grid}.particle-role-preview>span{border-right:1px solid rgb(var(--paper-rgb) / .22);border-bottom:1px solid rgb(var(--paper-rgb) / .22);font:700 23px var(--jp);padding:12px}.particle-role-preview>span:nth-child(2n){border-right:0}.particle-role-preview>span:nth-last-child(-n+2){border-bottom:0}.particle-role-preview small{color:rgb(var(--paper-rgb) / .55);font:600 7px var(--mono);letter-spacing:.08em;margin-top:3px;display:block}.particle-progress-copy{font:600 8px var(--mono);letter-spacing:.08em;justify-content:space-between;margin-top:auto;padding-top:28px;display:flex}.particle-progress-track{background:rgb(var(--paper-rgb) / .18);height:5px;margin-top:9px;overflow:hidden}.particle-progress-track span{background:var(--yellow);width:0;height:100%;transition:width .36s cubic-bezier(.2,.8,.2,1);display:block}.particle-progress-dots{grid-template-columns:repeat(12,1fr);gap:4px;margin-top:12px;display:grid}.particle-progress-dots i{background:rgb(var(--paper-rgb) / .2);height:5px}.particle-progress-dots i.is-correct{background:var(--particle-good)}.particle-progress-dots i.is-wrong{background:var(--red)}.particle-progress-dots i.is-current{background:var(--yellow);animation:.7s ease-in-out infinite alternate particle-current}.particle-lesson{background:var(--paper-light);align-items:center;min-width:0;padding:clamp(32px,4.5vw,62px);display:flex;position:relative;overflow:hidden}.particle-question,.particle-answer{width:100%;animation:.28s cubic-bezier(.2,.8,.2,1) both particle-stage-in}.particle-question[hidden],.particle-answer[hidden],.particle-lesson[hidden],.particle-complete[hidden]{display:none}.particle-question-meta{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding-bottom:14px;display:flex}.particle-question-meta span{color:rgb(var(--ink-rgb) / .55);font:600 8px var(--mono);letter-spacing:.12em}.particle-question-meta strong{border:1px solid var(--red);color:var(--red);font:700 8px var(--mono);letter-spacing:.08em;padding:7px 9px}.particle-translation{border-left:3px solid var(--blue);color:var(--blue);font:600 clamp(16px, 2vw, 22px)/1.35 var(--sans);margin:clamp(28px,3.5vw,42px) 0 14px;padding-left:14px}.particle-sentence{min-height:2.35em;font:700 clamp(36px, 4.8vw, 64px)/1.22 var(--jp);letter-spacing:-.055em;text-wrap:balance;margin:0}.particle-slot{border-bottom:.09em solid var(--ink);min-width:1.7em;color:var(--red);place-items:center;margin:0 .09em;line-height:.92;display:inline-grid}.particle-instruction{color:rgb(var(--ink-rgb) / .62);font:600 9px/1.45 var(--mono);letter-spacing:.07em;text-transform:uppercase;margin:24px 0 12px}.particle-choices{grid-template-columns:repeat(5,minmax(58px,1fr));gap:8px;display:grid}.particle-choice{border:1px solid var(--ink);background:rgb(var(--ink-rgb) / .025);min-height:82px;font:700 clamp(27px, 3.2vw, 42px)/1 var(--jp);cursor:pointer;padding:14px 8px 8px;transition:transform .12s,background-color .12s,color .12s,box-shadow .12s;position:relative}.particle-choice:before{content:attr(data-shortcut);color:rgb(var(--ink-rgb) / .45);font:600 7px/1 var(--mono);position:absolute;top:7px;left:8px}.particle-choice:hover,.particle-choice:focus-visible{background:var(--blue);color:#fff;box-shadow:0 3px 0 var(--ink);outline:0;transform:translateY(-2px)}.particle-choice:hover:before,.particle-choice:focus-visible:before,.particle-choice.is-correct:before,.particle-choice.is-wrong:before{color:currentColor;opacity:.75}.particle-choice.is-correct{border-color:var(--particle-good);background:var(--particle-good);color:#fff}.particle-choice.is-wrong{border-color:var(--red);background:var(--red);color:#fff;animation:.35s wrong-shake}.particle-choice.is-dimmed{opacity:.28}.particle-answer-status{align-items:center;gap:15px;display:flex}.particle-answer-status>span{background:var(--particle-good);color:#fff;width:48px;height:48px;box-shadow:3px 3px 0 var(--ink);place-items:center;font-size:24px;font-weight:800;display:grid}.particle-answer-status>div>span{color:var(--particle-good);font:700 8px var(--mono);letter-spacing:.12em;display:block}.particle-answer-status strong{letter-spacing:-.05em;margin-top:4px;font-size:clamp(23px,3vw,34px);display:block}.particle-answer.is-wrong .particle-answer-status>span{background:var(--red)}.particle-answer.is-wrong .particle-answer-status>div>span{color:var(--red)}.particle-completed-sentence{border-top:1px solid var(--line);border-bottom:1px solid var(--line);font:700 clamp(30px, 4vw, 52px)/1.28 var(--jp);letter-spacing:-.045em;margin-top:30px;padding:25px 0}.particle-completed-sentence mark{background:var(--yellow);color:#171714;padding:0 .12em}.particle-explanation{margin:24px 0 0;font-size:clamp(16px,1.8vw,20px);line-height:1.48}.particle-contrast-note{border:1px solid var(--line);border-left:5px solid var(--blue);background:0 0;margin-top:22px;padding:16px 18px}.particle-contrast-note>span{color:var(--blue);font:700 8px var(--mono);letter-spacing:.1em}.particle-contrast-note p{margin:7px 0 0;font-size:14px;line-height:1.48}.particle-next{border:0;border-top:2px solid var(--ink);width:100%;font:700 10px var(--mono);letter-spacing:.08em;cursor:pointer;background:0 0;justify-content:space-between;margin-top:24px;padding:15px 0 8px;display:flex}.particle-next:hover,.particle-next:focus-visible{color:var(--blue);outline:0}.particle-next b{font-size:19px}.particle-complete{background:var(--paper-light);grid-column:2;align-items:center;gap:clamp(22px,4vw,54px);padding:clamp(38px,6vw,76px);display:flex}.particle-complete-mark{color:var(--yellow);font:900 clamp(110px, 16vw, 220px)/1 var(--jp);transform:rotate(-8deg)}.particle-complete>div>span{color:var(--red);font:700 8px var(--mono);letter-spacing:.12em}.particle-complete h2{letter-spacing:-.075em;margin:12px 0 20px;font-size:clamp(43px,6.4vw,86px);line-height:.9}.particle-complete h2 em{color:var(--blue);font-style:normal}.particle-complete p{max-width:520px;font-size:17px;line-height:1.5}.particle-complete-actions{align-items:center;gap:18px;margin-top:28px;display:flex}@keyframes particle-stage-in{0%{opacity:0;transform:translateY(14px)scale(.985)}}@keyframes particle-current{to{opacity:.45}}.result{flex-direction:column;justify-content:center;position:relative;overflow:hidden}.result .edition-tag{margin-bottom:24px}.result h2{z-index:1;font-size:clamp(54px,8.4vw,122px);line-height:.84;position:relative}.result-burst{color:var(--yellow);font:900 min(48vw, 620px)/1 var(--jp);position:absolute;top:3vh;right:2vw;transform:rotate(10deg)}.result-grid{z-index:1;background:var(--paper);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);grid-template-columns:repeat(4,1fr);width:min(800px,100%);margin:clamp(34px,5vw,56px) 0 26px;display:grid;position:relative}.result-grid div{border-right:1px solid var(--ink);padding:18px 20px}.result-grid div:last-child{border-right:0}.result-grid span{font:500 9px var(--mono);display:block}.result-grid strong{letter-spacing:-.05em;margin-top:4px;font-size:clamp(22px,3vw,36px);display:block}.result-actions{z-index:1;gap:18px;display:flex;position:relative}.secondary-button{border:0;border-bottom:1.5px solid var(--ink);font:600 12px var(--mono);cursor:pointer;background:0 0;padding:16px 20px}.daily-review-dialog{--paper:#f2e5df;--paper-rgb:242 229 223;--ink:#171714;--ink-rgb:23 23 20;border:2px solid var(--ink);background:var(--yellow);width:min(760px,100% - 28px);color:var(--ink);box-shadow:14px 14px 0 var(--blue);padding:0;overflow:hidden}.daily-review-dialog::backdrop{background:var(--dialog-backdrop);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.daily-review-dialog[open]{animation:.28s cubic-bezier(.16,1,.3,1) both daily-review-in}.daily-review-close{z-index:4;border:1.5px solid var(--ink);background:var(--paper);width:42px;height:42px;font:600 21px/1 var(--mono);cursor:pointer;position:absolute;top:16px;right:16px}.daily-review-close:hover,.daily-review-close:focus-visible{background:var(--ink);color:var(--yellow);outline:none}.daily-review-stamp{color:rgb(var(--ink-rgb) / .075);font:900 270px/1 var(--jp);pointer-events:none;position:absolute;bottom:-34px;right:-18px;transform:rotate(9deg)}.daily-review-content{z-index:1;padding:clamp(30px,6vw,60px);position:relative}.daily-review-kicker{color:var(--red);font:600 10px var(--mono);letter-spacing:.1em;display:block}.daily-review-content h2{letter-spacing:-.075em;max-width:620px;margin:12px 0 18px;font-size:clamp(45px,8vw,76px);line-height:.82}.daily-review-content h2 em{color:var(--blue);font-style:normal}.daily-review-content>p{max-width:480px;margin:0;font-size:15px;font-weight:600;line-height:1.45}.daily-review-ready{align-items:baseline;gap:12px;margin-top:29px;display:flex}.daily-review-ready strong{letter-spacing:-.08em;font-size:clamp(55px,10vw,92px);line-height:.8}.daily-review-ready span{font:600 11px var(--mono);letter-spacing:.08em}.daily-review-marks{grid-template-columns:repeat(5,1fr);gap:8px;width:min(430px,100%);margin-top:22px;display:grid}.daily-review-marks i{border:1px solid var(--ink);background:rgb(var(--paper-rgb) / .55);height:13px;transform:skew(-12deg)}.daily-review-marks i.is-filled{background:var(--blue);animation:.32s cubic-bezier(.16,1,.3,1) both ink-mark-in;animation-delay:calc(var(--mark-index) * 55ms)}.daily-review-meta{width:min(430px,100%);font:600 8px var(--mono);letter-spacing:.08em;justify-content:space-between;gap:12px;margin-top:9px;display:flex}.daily-review-size{border:1.5px solid var(--ink);background:rgb(var(--paper-rgb) / .45);grid-template-columns:1fr repeat(3,minmax(58px,.55fr));align-items:stretch;width:min(430px,100%);margin-top:22px;display:grid}.daily-review-size>span{font:600 8px var(--mono);letter-spacing:.08em;align-items:center;padding:0 13px;display:flex}.daily-review-size button{border:0;border-left:1.5px solid var(--ink);min-height:42px;color:var(--ink);font:700 11px var(--mono);cursor:pointer;background:0 0}.daily-review-size button:hover,.daily-review-size button:focus-visible{background:var(--yellow);outline:none}.daily-review-size button[aria-pressed=true]{background:var(--ink);color:var(--yellow)}.daily-review-start{width:min(430px,100%);box-shadow:6px 6px 0 var(--red);margin-top:18px}.daily-review-start:hover{box-shadow:9px 9px 0 var(--blue)}.daily-review-study,.daily-review-dungeon{border:1.5px solid var(--ink);background:rgb(var(--paper-rgb) / .45);text-align:left;justify-content:space-between;width:min(430px,100%);margin-top:17px;display:flex}.daily-review-study{border-color:var(--blue);background:rgb(var(--paper-rgb) / .45);color:var(--ink)}.daily-review-study span:last-child{color:var(--blue)}.daily-review-study:hover,.daily-review-study:focus-visible{border-color:var(--blue);background:var(--blue);color:#fff;outline:none}.daily-review-study:hover span:last-child,.daily-review-study:focus-visible span:last-child{color:var(--yellow)}.daily-review-study:disabled{opacity:.32;cursor:not-allowed}.daily-review-dungeon{border-color:var(--red);background:var(--red);color:#fff}.daily-review-dungeon span:last-child{color:var(--yellow)}.daily-review-dungeon:hover,.daily-review-dungeon:focus-visible{border-color:var(--ink);background:var(--ink);color:#fff;outline:none}.daily-review-dungeon:disabled{opacity:.32;cursor:not-allowed}.deck-dialog{border:1.5px solid var(--ink);background:var(--paper);width:90%;height:90%;max-height:min(820px,100vh - 28px);color:var(--ink);box-shadow:12px 12px 0 var(--blue);padding:0}.deck-dialog::backdrop{background:var(--dialog-backdrop);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.deck-dialog[open]{grid-template-rows:auto minmax(0,1fr);animation:.24s cubic-bezier(.2,.8,.2,1) both dialog-in;display:grid;overflow:hidden}.deck-dialog-scroll{overscroll-behavior:contain;flex-direction:column;min-height:0;display:flex;overflow-y:auto}.deck-dialog-scroll>*{flex-shrink:0}.dialog-head{border-bottom:1px solid var(--ink);justify-content:space-between;align-items:flex-start;padding:24px 28px 18px;display:flex}.deck-dialog .dialog-head{justify-content:flex-start;align-items:center;gap:clamp(24px,4vw,72px)}.dialog-title{flex:auto;min-width:0}.eyebrow{font:600 9px var(--mono);color:var(--red)}.dialog-head h2{letter-spacing:-.06em;margin:4px 0 0;font-size:32px}.close-button{font:400 42px/1 var(--sans);cursor:pointer;background:0 0;border:0;flex:none;padding:0}.dialog-deck-options{border-bottom:1px solid var(--line);padding:14px 28px}.deck-search{flex:0 auto;width:clamp(280px,30vw,580px)}.deck-search label{color:var(--red);font:600 8px var(--mono);letter-spacing:.08em;margin-bottom:7px;display:block}.deck-search-control{position:relative}.deck-search-glyph{color:var(--red);font:700 17px/1 var(--jp);pointer-events:none;position:absolute;bottom:8px;left:0}.deck-search input{border:0;border-bottom:2px solid var(--ink);width:100%;height:36px;color:var(--ink);font:700 16px var(--jp);background:0 0;border-radius:0;outline:0;padding:0 86px 0 28px}.deck-search input::placeholder{color:rgb(var(--ink-rgb) / .36);font:600 11px var(--mono)}.deck-search input:focus{border-bottom-color:var(--blue)}.deck-search input::-webkit-search-cancel-button{appearance:none}.deck-search-shortcut{border:1px solid var(--line);background:rgb(var(--paper-rgb) / .65);color:rgb(var(--ink-rgb) / .48);font:600 8px/1 var(--mono);padding:3px 6px;position:absolute;bottom:8px;right:4px}.deck-search-clear{width:30px;height:30px;color:rgb(var(--ink-rgb) / .48);font:500 25px/1 var(--sans);cursor:pointer;background:0 0;border:0;padding:0;position:absolute;bottom:7px;right:0}.deck-search-control:has(.deck-search-clear:not(.hidden)) .deck-search-shortcut{display:none}.deck-search-clear:hover,.deck-search-clear:focus-visible{color:var(--red)}.deck-search-status{color:rgb(var(--ink-rgb) / .54);font:600 8px var(--mono);letter-spacing:.04em;margin:6px 0 0}.deck-list{grid-template-columns:1fr 1fr;display:grid}.recent-searches{border-bottom:1px solid var(--line);padding:24px clamp(22px,5vw,48px)}.recent-searches-head{justify-content:space-between;align-items:center;gap:16px;display:flex}.recent-searches h3{font:600 11px var(--mono);letter-spacing:.06em;margin:0}.recent-searches button{color:var(--ink);cursor:pointer;background:0 0;border:0}.recent-searches-head button{min-height:44px;font:600 10px var(--mono);text-underline-offset:3px;text-decoration:underline}.recent-searches ul{margin:8px 0 0;padding:0;list-style:none}.recent-searches li{border-top:1px solid var(--line);display:flex}.recent-search-query{text-align:left;min-width:0;font:500 15px var(--sans);flex:1;justify-content:space-between;align-items:center;gap:16px;padding:12px 8px;display:flex}.recent-search-query span{overflow-wrap:anywhere}.recent-search-remove{min-height:44px;font:500 23px var(--sans);flex:0 0 44px}.recent-searches button:hover{color:var(--red)}.recent-searches button:focus-visible{outline:2px solid var(--red);outline-offset:-2px}.search-welcome{border-bottom:1px solid var(--line);grid-template-columns:auto minmax(0,660px);justify-content:center;align-items:center;gap:clamp(28px,5vw,70px);min-height:410px;padding:clamp(42px,7vw,86px);display:grid}.search-welcome.hidden{display:none}.search-welcome-mark{color:var(--red);font:900 clamp(90px, 13vw, 180px)/.8 var(--jp);opacity:.9}.search-welcome h3{letter-spacing:-.065em;max-width:620px;margin:8px 0 12px;font-size:clamp(34px,5vw,68px);line-height:.9}.search-welcome p{max-width:580px;color:rgb(var(--ink-rgb) / .62);margin:0;font-size:15px;line-height:1.5}.search-suggestions{flex-wrap:wrap;gap:8px;margin-top:24px;display:flex}.search-suggestions button{border:1px solid var(--ink);font:600 10px var(--mono);cursor:pointer;background:0 0;padding:9px 12px}.search-suggestions button:hover,.search-suggestions button:focus-visible{background:var(--ink);color:var(--yellow);outline:none}.deck-dialog.search-results-mode .dialog-deck-options{display:none}.deck-dialog.search-results-mode .deck-list{grid-template-columns:1fr}.deck-dialog.search-results-mode .deck-item:nth-child(odd){border-right:0}.deck-dialog.search-results-mode .deck-dialog-actions .dungeon-button,.deck-dialog.search-results-mode .deck-dialog-actions .practice-button,.deck-dialog.search-results-mode .deck-dialog-actions .guide-export-group{display:none}.deck-dialog.search-mode:not(:has(.deck-search input:not(:placeholder-shown))) .deck-dialog-actions{display:none}.deck-item.search-result{grid-template-columns:minmax(130px,.28fr) minmax(0,1fr);align-items:start;min-height:106px;padding:18px 200px 18px 70px;transition:background-color .12s}.search-result:hover{background:rgb(var(--paper-rgb) / .5)}.search-result-rank{color:rgb(var(--ink-rgb) / .34);font:600 8px var(--mono);position:absolute;top:22px;left:22px}.search-result .deck-kanji{font-size:42px}.search-result .deck-meaning{max-width:760px;font-size:10px;line-height:1.45}.search-result-pronounce{color:#000;min-height:34px;font:800 10px/1 var(--mono);letter-spacing:.07em;cursor:pointer;background:0 0;border:none;border-radius:3px;flex:none;align-items:center;gap:6px;padding:6px 12px 6px 10px;transition:background-color .16s,color .16s,box-shadow .16s,transform .16s;display:inline-flex;position:absolute;bottom:12px;right:20px}.search-result-pronounce svg,.deck-pronounce svg{fill:currentColor;flex:none;width:16px;height:16px}.search-result-pronounce svg path:last-child,.deck-pronounce svg path:last-child{fill:none;stroke:currentColor;stroke-width:1.7px;stroke-linecap:round}.search-result-pronounce:hover,.search-result-pronounce.speaking{color:var(--blue);transform:translateY(-2px)}.search-result-pronounce:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.search-result-meta{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:6px 14px;margin-top:18px;padding-top:10px;display:flex}.search-result-meta .deck-source,.search-result-meta .deck-progress{font-size:9px;line-height:1.4;position:static}.search-result-meta .deck-source{white-space:normal;min-width:0}.search-result-meta .deck-progress{background:rgb(var(--ink-rgb) / .06);padding:4px 7px}.deck-item-actions{display:contents}.search-result .deck-item-actions{align-items:center;gap:12px;display:flex;position:absolute;top:17px;right:20px}.search-result .deck-favorite-button{flex:none;position:static}.search-result .deck-item-actions .custom-deck-button{border-radius:50%;flex:none;width:28px;height:28px;margin:0;padding:0}.search-result-study{border:1px solid var(--ink);font:600 8px var(--mono);cursor:pointer;background:0 0;padding:8px 9px}.search-result-study:hover,.search-result-study:focus-visible{border-color:var(--blue);background:var(--blue);color:var(--paper);outline:none}.search-result-study span{margin-left:5px}.deck-empty{color:rgb(var(--ink-rgb) / .48);font:600 11px var(--mono);text-align:center;grid-column:1/-1;margin:0;padding:54px 28px}.deck-item{border-bottom:1px solid var(--line);grid-template-columns:minmax(90px,.42fr) 1fr;align-items:center;min-height:90px;padding:15px 58px 27px 22px;display:grid;position:relative}.deck-item:nth-child(odd){border-right:1px solid var(--line)}.deck-kanji{font:400 38px var(--jp);letter-spacing:-.12em}.deck-favorite-button{opacity:.4;width:28px;height:28px;font-size:17px;position:absolute;top:12px;right:14px}.deck-favorite-button.active{opacity:.7}.deck-favorite-button:hover,.deck-favorite-button:focus-visible{opacity:1}.deck-details{min-width:0}.deck-reading-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.deck-reading{font:700 16px var(--jp);display:block}.deck-pronounce{border:1px solid rgb(var(--blue-rgb) / .3);width:32px;height:32px;color:var(--blue);cursor:pointer;background:0 0;border-radius:50%;flex:none;place-items:center;padding:0;display:inline-grid}.deck-pronounce:hover,.deck-pronounce.speaking{background:var(--blue);color:var(--paper)}.deck-pronounce:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.deck-lookups{align-items:center;gap:4px;display:inline-flex}.custom-deck-button{border:1px solid var(--line);color:var(--ink);font:600 8px var(--mono);cursor:pointer;background:0 0;justify-content:center;align-items:center;gap:5px;margin-top:8px;padding:6px 9px;display:inline-flex}.custom-deck-button .action-icon{width:14px;height:14px}.custom-deck-button.active{border-color:var(--blue);color:var(--blue);background:rgb(var(--blue-rgb) / .06)}.custom-deck-button:hover{border-color:var(--blue);color:var(--blue)}.custom-deck-button:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.custom-deck-library{border-bottom:1px solid var(--line);flex:100%;padding-bottom:14px}.custom-deck-library .deck-group-label{display:block}.custom-deck-library p{color:rgb(var(--ink-rgb) / .62);font:500 10px/1.5 var(--mono);margin:8px 0 0}.custom-deck-toolbar{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:12px 28px;display:flex}.custom-deck-toolbar p{color:rgb(var(--ink-rgb) / .62);font:500 10px/1.5 var(--mono);margin:0}.custom-deck-toolbar button,.custom-deck-empty button{border:1px solid var(--blue);color:var(--blue);font:600 10px var(--mono);cursor:pointer;background:0 0;align-items:center;gap:8px;padding:9px 12px;display:inline-flex}.custom-deck-toolbar button:hover,.custom-deck-empty button:hover{background:var(--blue);color:var(--paper)}.custom-deck-empty p{margin:0 0 18px;line-height:1.6}.custom-deck-toolbar .custom-deck-clear{border-color:var(--red);color:var(--red);margin-left:auto}.custom-deck-toolbar .custom-deck-clear:hover:not(:disabled){background:var(--red);color:var(--paper)}.custom-deck-toolbar .custom-deck-clear:disabled{opacity:.35;cursor:default;color:var(--red);background:0 0}@media (width<=600px){.custom-deck-toolbar{padding:12px 18px}}.deck-lookup{width:20px;height:20px;font:700 11px/1 var(--sans);border:1px solid;border-radius:50%;place-items:center;text-decoration:none;transition:color .12s,background .12s,transform .12s;display:inline-grid}.deck-lookup-jisho{color:var(--blue)}.deck-lookup.deck-lookup-jisho{border:none}.deck-lookup-kana{color:var(--red)}.deck-lookup:hover,.deck-lookup:focus-visible{background:currentColor;outline:none;transform:translateY(-1px)}.deck-lookup:hover span,.deck-lookup:focus-visible span{color:var(--paper)}.deck-meaning{color:rgb(var(--ink-rgb) / .62);font:500 9px var(--mono);text-transform:uppercase;margin-top:3px;display:block}.deck-item-detailed,.search-result.deck-item-detailed{align-items:start;min-height:150px}.deck-breakdown-label{color:var(--red);font:600 7px var(--mono);letter-spacing:.08em;margin-top:12px;display:block}.deck-breakdown{flex-wrap:wrap;gap:7px;margin-top:6px;display:flex}.deck-breakdown-part{border:1px solid var(--line);font:300 12px var(--jp);padding:6px 8px}.deck-breakdown-part b{font-size:15px}.deck-breakdown-part small{color:rgb(var(--ink-rgb) / .56);font:500 7px/1.35 var(--mono);text-transform:uppercase;margin-top:2px;display:block}.deck-source{color:rgb(var(--ink-rgb) / .4);font:600 7px var(--mono);letter-spacing:.07em;white-space:nowrap;position:absolute;bottom:9px;right:14px}.deck-progress{color:rgb(var(--ink-rgb) / .42);font:600 7px var(--mono);letter-spacing:.05em;white-space:nowrap;position:absolute;bottom:9px;left:22px}.deck-progress.needs-work{color:var(--red)}.deck-review-dismiss{color:var(--red);font:600 8px var(--mono);letter-spacing:.05em;opacity:.52;cursor:pointer;background:0 0;border:0;padding:0;position:absolute;top:20px;right:52px}.deck-review-dismiss:hover,.deck-review-dismiss:focus-visible{opacity:1}.deck-dialog-actions{z-index:4;-webkit-backdrop-filter:blur(18px)saturate(1.12);backdrop-filter:blur(18px)saturate(1.12);background:0 0;border-top:none;flex-wrap:wrap;gap:10px;margin-top:auto;padding:14px 28px;display:flex;position:sticky;bottom:0}.deck-dialog-actions .study-button{white-space:nowrap}.deck-dialog-actions .study-button:disabled{opacity:.32;cursor:not-allowed;transform:none}.deck-note{font:500 9px var(--mono);color:rgb(var(--ink-rgb) / .55);margin:18px 28px 22px}.deck-guide-link{color:var(--blue);font:inherit;opacity:.7;margin-left:10px;text-decoration:none}.deck-guide-link:hover,.deck-guide-link:focus-visible{opacity:1;text-decoration:underline}.study-guide-dialog{border:1.5px solid var(--ink);background:var(--guide-canvas);width:min(1480px,100% - 24px);max-width:none;height:min(940px,100dvh - 24px);max-height:none;color:var(--ink);box-shadow:10px 10px 0 var(--blue);padding:0;overflow:hidden}.study-guide-dialog::backdrop{background:var(--dialog-backdrop);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.study-guide-dialog[open]{grid-template-rows:auto minmax(0,1fr);animation:.2s cubic-bezier(.2,.8,.2,1) both dialog-in;display:grid}.study-guide-dialog-head{background:var(--ink);color:var(--paper);justify-content:space-between;align-items:center;gap:20px;padding:12px 18px;display:flex}.study-guide-dialog-title{min-width:0;font:600 10px var(--mono);letter-spacing:.07em;align-items:baseline;gap:10px;display:flex}.study-guide-dialog-title strong{color:var(--yellow)}.study-guide-dialog-title small{color:rgb(var(--paper-rgb) / .58);font:inherit}.study-guide-dialog-actions{align-items:stretch;gap:7px;display:flex}.study-guide-dialog-share,.study-guide-dialog-close{border:1px solid var(--paper);background:var(--paper);color:var(--ink);font:600 10px var(--mono);cursor:pointer;padding:9px 13px}.study-guide-dialog-share{border-color:var(--yellow);color:var(--yellow);background:0 0}.study-guide-dialog-share span,.study-guide-dialog-close span{margin-left:5px;font-size:15px;line-height:0}.study-guide-dialog-share:hover,.study-guide-dialog-share:focus-visible,.study-guide-dialog-close:hover,.study-guide-dialog-close:focus-visible{border-color:var(--yellow);background:var(--yellow);outline:none}.study-guide-dialog-share:hover,.study-guide-dialog-share:focus-visible{color:var(--ink)}.study-guide-dialog-share:disabled{opacity:.42;cursor:not-allowed}.study-guide-frame{background:var(--guide-canvas);border:0;width:100%;height:100%;display:block}.account-dialog{border:1.5px solid var(--ink);background:var(--paper);width:min(620px,100% - 28px);color:var(--ink);box-shadow:12px 12px 0 var(--blue);padding:0}.account-dialog::backdrop{background:var(--dialog-backdrop);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.account-dialog[open]{animation:.24s cubic-bezier(.2,.8,.2,1) both dialog-in}.account-dialog-head h2{max-width:460px;font-size:clamp(28px,5vw,46px);line-height:.95}.account-panel{padding:28px}.account-panel>p{max-width:500px;margin:0 0 24px;font-size:16px;line-height:1.45}.auth-form label{font:600 9px var(--mono);letter-spacing:.08em;margin-bottom:9px;display:block}.auth-form input{border:0;border-bottom:3px solid var(--ink);width:100%;color:var(--ink);font:600 clamp(20px, 4vw, 30px) var(--sans);background:0 0;outline:0;padding:13px 0}.auth-form input:focus{border-bottom-color:var(--blue)}.auth-submit{width:100%;margin-top:22px}.account-state-label{color:var(--ink);font:600 9px var(--mono);letter-spacing:.08em;display:block}.account-email{overflow-wrap:anywhere;letter-spacing:-.05em;margin:8px 0 20px;font-size:clamp(22px,5vw,36px);display:block}.account-actions{align-items:center;gap:18px;display:flex}.account-billing{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:24px 0;padding:24px 0}.account-billing h3{letter-spacing:-.035em;margin:12px 0;font-size:21px}.account-billing p{max-width:48ch;font-size:14px;line-height:1.6}.account-billing-actions{flex-wrap:wrap;gap:12px;margin:18px 0;display:flex}.account-billing .upgrade-refresh{margin-top:18px;display:block}.cloud-status{border-top:1px solid var(--line);color:rgb(var(--ink-rgb) / .58);font:600 9px/1.45 var(--mono);letter-spacing:.05em;margin:0;padding:14px 28px 18px}.cloud-status.error{color:var(--red)}.confetti{z-index:30;pointer-events:none;width:9px;height:20px;animation:.9s ease-in forwards confetti-fall;position:fixed}@keyframes screen-in{0%{opacity:0;transform:translateY(12px)}}@keyframes dialog-in{0%{opacity:0;transform:translateY(16px)scale(.98)}}@keyframes kanji-swap{0%{opacity:0;transform:scale(.78)rotate(-3deg)}to{opacity:1;transform:none}}@keyframes wrong-shake{25%{transform:translate(-7px)}50%{transform:translate(6px)}75%{transform:translate(-3px)}}@keyframes speaker-pulse{to{box-shadow:0 0 0 5px #f2c94c33}}@keyframes confetti-fall{to{transform:translate(var(--x), 100vh) rotate(var(--r));opacity:0}}@keyframes daily-review-in{0%{opacity:0;transform:translateY(24px)rotate(-1deg)scale(.97)}}@keyframes ink-mark-in{0%{opacity:0;transform:translateY(8px)skew(-12deg)scaleX(.45)}}@media (width<=1050px){.home-layout{gap:22px}.home-command{grid-template-columns:minmax(0,1.15fr) minmax(290px,.85fr);display:grid}.home-review{border-top:0;border-left:1px solid var(--line)}}@media (width<=760px){.topbar{height:64px}.wordmark>span:last-child{display:none}.top-actions{gap:11px}.paper-theme-toggle{width:32px;height:18px}.paper-theme-toggle span{width:10px;height:10px;top:3px}.paper-theme-toggle[data-theme=white] span{left:17px}.text-button{font-size:10px}.account-button>span{text-overflow:ellipsis;white-space:nowrap;max-width:62px;overflow:hidden}main,.screen{min-height:calc(100vh - 64px)}.screen{padding:30px 20px}.intro{justify-content:flex-start;padding-top:36px}.intro:after{opacity:.055;font-size:88vw;top:280px;right:-22vw}.edition-tag{margin-bottom:14px;font-size:10px}.home-intro-copy{grid-template-columns:1fr;gap:20px;margin-bottom:28px}.home-intro-copy h1{font-size:clamp(42px,14.5vw,62px)}.home-intro-copy p{max-width:36rem;font-size:13px}.home-layout{gap:18px}.home-section-heading{min-height:28px}.home-section-heading span:last-child{display:none}.home-command{grid-template-columns:1fr}.current-run{padding:20px}.home-recommendation>strong{font-size:clamp(34px,11vw,48px)}.current-selection{grid-template-columns:1fr;gap:5px}.current-deck-actions{grid-area:auto/1;justify-self:start;margin-top:8px}.home-review{border-top:1px solid var(--line);border-left:0;padding:18px 20px 20px}.daily-bite-launch{min-height:68px}.home-command .home-start-button{gap:12px;min-height:54px;padding:14px}.home-start-button strong{font-size:12px}.home-start-button .arrow .action-icon{width:22px;height:22px}.home-mode-options{gap:10px}.home-mode-button{gap:8px;padding:12px}.home-mode-button>.action-icon:first-child{width:17px;height:17px}.home-mode-button>.action-icon:last-child{display:none}.home-mode-button strong{font-size:11px}.run-tools-actions{grid-template-columns:1fr}.home-command .study-button{min-width:0}.home-library>summary{grid-template-columns:44px minmax(0,1fr);gap:17px;min-height:0;padding:20px}.home-library-index{width:42px;height:42px}.home-library-copy strong{font-size:clamp(22px,7.5vw,31px)}.home-library-action{grid-column:1/-1;width:100%;min-width:0;margin-top:3px}.deck-picker{padding:20px 14px 18px}.deck-picker-heading{flex-direction:column;align-items:flex-start;gap:5px;min-height:0}.picker-help{text-align:left}.deck-options{grid-template-columns:1fr;gap:12px}.deck-library-group{grid-template-columns:repeat(3,minmax(0,1fr));gap:3px 10px;padding:15px 14px 17px;display:grid}.deck-group-label{grid-column:1/-1}.deck-range-cluster{flex-basis:100%;max-width:none}.deck-range-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px 8px;padding-inline:10px}.deck-range-cluster summary{grid-template-columns:1fr;gap:3px}.deck-option{min-width:0;min-height:44px;padding:8px}.deck-options .deck-all-option{min-width:0}.deck-options .deck-option:not(.deck-all-option){min-height:42px;padding-block:8px}.primary-button{width:100%}.study-button{min-width:260px}.game{padding-top:20px}.game-status{grid-template-columns:1fr 1.6fr 1fr}.status-block-center{padding:0 12px}.status-block strong{font-size:20px}.playfield{grid-template-columns:1fr;align-content:center;gap:10px;padding:20px 0 10px}.playfield.study-mode{grid-template-columns:1fr;gap:18px;padding:18px 0 10px}.study-mode .prompt-zone{min-height:300px;padding:22px}.study-mode .question-count{top:18px;left:20px}.study-mode .prompt-favorite-button{top:14px;right:14px}.study-mode .kanji-wrap{min-width:240px;min-height:240px}.kanji-wrap{min-width:240px;min-height:210px}.kanji-wrap h2{font-size:clamp(112px,35vw,180px)}.kanji-wrap h2.long{font-size:clamp(70px,22vw,105px)}.kanji-wrap h2.particle-exercise{max-width:88vw;font-size:clamp(27px,8vw,42px)}.accent-shape{width:60%}.meaning{margin-top:8px}.answers{gap:8px}.study-card,.recall-form{padding:20px}.study-card{min-height:0;box-shadow:6px 6px 0 var(--blue)}.study-view-control{margin-top:4px}.time-scene-caption{bottom:12px;right:16px}.time-scene.is-active{opacity:.78}.study-grid{grid-template-columns:1fr;gap:12px}.study-grid-card{min-height:0;box-shadow:5px 5px 0 var(--blue);padding:17px}.study-grid-word{font-size:42px}.study-grid-breakdown{grid-template-columns:1fr 1fr}.study-reading{font-size:42px}.study-meaning{margin-bottom:14px}.study-navigation{grid-template-columns:50px minmax(0,1fr);margin-top:14px}.particle-study-mode{gap:14px;padding:16px 14px 28px}.particle-study-header{grid-template-columns:auto 1fr auto;gap:12px}.particle-study-header>div:nth-child(2){text-align:left}.particle-study-header>div:nth-child(2)>span{display:none}.particle-study-header strong{font-size:13px}.particle-study-count strong{font-size:19px}.particle-study-layout{grid-template-columns:1fr;min-height:0}.particle-study-rail{padding:17px 18px 0}.particle-study-rail-label{display:none}.particle-study-rail nav{scrollbar-width:none;border:0;gap:5px;margin-top:0;display:flex;overflow-x:auto}.particle-study-rail nav::-webkit-scrollbar{display:none}.particle-study-tab{border:1px solid rgb(var(--paper-rgb) / .28);text-align:center;min-width:50px;min-height:42px;padding:7px 10px;display:block}.particle-study-tab span{display:none}.particle-study-tab[aria-current=step]{width:auto;margin:0;padding-inline:10px}.particle-study-skip{margin-top:14px;padding:12px 0 14px}.particle-study-skip>span{display:none}.particle-study-skip strong{margin:0}.particle-study-chapter{min-height:590px;padding:30px 22px 24px}.particle-study-chapter-head h1{font-size:clamp(36px,12vw,50px)}.particle-study-chapter-head p{font-size:14px}.particle-study-cards,.particle-study-cards[data-count="3"]{grid-template-columns:1fr;margin-top:24px}.particle-study-card{border-right:0;border-bottom:1px solid var(--ink);padding:20px}.particle-study-card:last-child{border-bottom:0}.particle-study-symbol{font-size:48px}.particle-study-sentence{min-height:0;margin-top:18px;font-size:25px}.particle-study-takeaway{grid-template-columns:1fr;gap:7px}.particle-study-navigation{margin-top:4px}.particle-study-navigation button:last-child{min-width:165px}.particle-mode{gap:14px;padding:16px 14px 28px}.particle-mode-header{grid-template-columns:auto 1fr auto;gap:12px}.particle-mode-header>div:nth-child(2){text-align:left}.particle-mode-header>div:nth-child(2)>span{display:none}.particle-mode-header strong{font-size:13px}.particle-run-score strong{font-size:19px}.particle-mode-layout{min-height:0;box-shadow:none;grid-template-columns:1fr}.particle-guide{grid-template-columns:1fr auto;gap:6px 18px;padding:18px 20px;display:grid}.particle-guide-kicker{grid-column:1}.particle-guide h2{grid-area:1/2/3;align-self:center;margin:0;font-size:49px}.particle-guide>p,.particle-role-preview{display:none}.particle-progress-copy,.particle-progress-track,.particle-progress-dots{grid-column:1/-1}.particle-progress-copy{padding-top:10px}.particle-lesson{align-items:flex-start;min-height:500px;padding:30px 22px}.particle-translation{margin-top:28px;font-size:16px}.particle-sentence{min-height:3.2em;font-size:clamp(30px,9.5vw,42px)}.particle-instruction{margin-top:18px}.particle-choices{grid-template-columns:repeat(5,minmax(0,1fr));gap:5px}.particle-choice{min-width:0;min-height:66px;padding:4px;font-size:clamp(24px,8vw,34px)}.particle-completed-sentence{margin-top:22px;padding:20px 0;font-size:clamp(27px,8vw,38px)}.particle-explanation{margin-top:19px;font-size:15px}.particle-contrast-note{margin-top:17px;padding:13px 15px}.particle-complete{flex-direction:column;grid-column:1;align-items:flex-start;padding:34px 24px}.particle-complete-mark{font-size:105px}.particle-complete-actions{flex-direction:column;align-items:stretch;width:100%}.study-next,.check-button{margin-top:14px}.study-navigation .study-next{margin-top:0}.answer-button{min-height:84px;padding:18px 10px 12px;font-size:clamp(23px,7vw,32px)}.feedback{width:100%;max-height:62vh;padding:20px;overflow-y:auto}.feedback.detailed.show{width:100%;max-height:78dvh;padding:26px 22px 22px}.feedback.detailed.show .feedback-head{align-items:flex-start;gap:16px}.feedback.detailed.show .feedback-head strong{font-size:12px}.feedback.detailed.show .feedback-reading-tools>span{font-size:31px}.feedback.detailed.show .feedback-meaning{margin-top:18px;padding-top:16px;font-size:19px}.feedback.detailed.show .breakdown{gap:8px;margin-top:18px}.feedback.detailed.show .breakdown-item{padding:13px 14px}.feedback.detailed.show .breakdown-char{font-size:27px}.breakdown{grid-template-columns:1fr}.result{justify-content:flex-start;padding-top:8vh}.result-grid{grid-template-columns:1fr 1fr}.result-grid div:nth-child(2){border-right:0}.result-grid div:nth-child(-n+2){border-bottom:1px solid var(--ink)}.result-actions{flex-direction:column;align-items:flex-start}.daily-review-dialog{box-shadow:7px 7px 0 var(--blue)}.daily-review-content{padding:54px 22px 28px}.daily-review-content h2{font-size:clamp(43px,14vw,64px)}.daily-review-stamp{font-size:190px;bottom:-18px;right:-30px}.deck-list{grid-template-columns:1fr}.deck-item:nth-child(odd){border-right:0}.deck-item{grid-template-columns:minmax(90px,.4fr) 1fr}.dialog-deck-options{padding:12px 18px}.dialog-deck-options .deck-option{flex:28%}.deck-dialog .dialog-head{grid-template-columns:minmax(0,1fr) 44px;align-items:start;gap:16px 12px;padding:20px 18px 16px;display:grid}.deck-dialog .dialog-head h2{font-size:28px;line-height:.98}.dialog-title{grid-area:1/1}.close-button{grid-area:1/2;justify-self:end;width:44px;height:44px}.deck-search{grid-area:2/1/auto/-1;width:100%}.deck-search input{font-size:16px}.deck-search-shortcut{display:none}.deck-dialog-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;padding:10px 12px;display:grid}.deck-dialog-actions>.study-button{width:100%;min-width:0;padding:12px 9px;font-size:9px}.deck-dialog-actions>.practice-button{white-space:normal}.deck-dialog-actions .guide-export-group{grid-column:1/-1;width:100%;min-width:0}.deck-dialog-actions .guide-export-group .study-button{flex:1;min-width:0;padding:12px 9px;font-size:9px}.deck-dialog.search-results-mode .deck-dialog-actions{grid-template-columns:1fr}.study-guide-dialog-head{gap:10px;padding:10px 12px}.study-guide-dialog-title{flex-direction:column;align-items:flex-start;gap:2px}.study-guide-dialog-title strong{display:none}.study-guide-dialog-actions{gap:4px}.study-guide-dialog-share,.study-guide-dialog-close{padding:9px 10px;font-size:9px}.search-welcome{grid-template-columns:1fr;gap:18px;min-height:350px;padding:36px 22px}.search-welcome-mark{font-size:82px}.search-welcome h3{font-size:38px}.deck-item.search-result{grid-template-columns:minmax(0,1fr);gap:3px;padding:18px 18px 62px 50px}.search-result-rank{left:16px}.search-result .deck-kanji{letter-spacing:-.08em;padding-right:168px;font-size:34px}.search-result .deck-details{grid-column:1}.search-result .deck-item-actions,.search-result-pronounce{right:14px}.account-panel{padding:22px}.account-actions{flex-direction:column;align-items:flex-start}}@media (prefers-reduced-motion:reduce){.daily-review-dialog[open],.daily-review-marks i.is-filled{animation:none}}@media (height<=720px) and (width>=761px){.screen{padding-top:26px;padding-bottom:26px}.kanji-wrap{min-height:300px}.kanji-wrap h2{font-size:190px}.answer-button{min-height:105px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:1ms!important;animation-duration:1ms!important}}.home-pricing-link{width:fit-content;color:var(--blue);font:600 10px/1.6 var(--mono);letter-spacing:.04em;align-items:center;gap:10px;margin-top:14px;text-decoration:none;display:flex}.home-pricing-link:hover{text-underline-offset:4px;text-decoration:underline}.home-pricing-link:focus-visible{outline:2px solid var(--blue);outline-offset:4px}.site-footer{border-top:1px solid var(--line);margin-top:90px;padding:28px 0 22px}.site-footer .footer-top{justify-content:space-between;align-items:baseline;gap:25px;display:flex}.site-footer .footer-top>p{color:rgb(var(--ink-rgb) / .62);margin:0;font-size:11px}.site-footer .footer-top nav{flex-wrap:wrap;gap:25px;display:flex}.site-footer .footer-top a{color:inherit;font:500 8px var(--mono);text-decoration:none}.site-footer .footer-top a:hover{color:var(--blue)}.site-footer .footer-wordmark{color:var(--ink);letter-spacing:-.075em;white-space:nowrap;align-items:center;gap:3vw;margin:44px 0 28px;font-size:clamp(42px,13vw,178px);font-weight:600;line-height:1;text-decoration:none;display:flex}.site-footer .footer-wordmark>span{background:var(--ink);width:.95em;height:1em;color:var(--paper);font:500 .7em var(--jp);place-items:center;display:grid}.site-footer .footer-bottom{color:rgb(var(--ink-rgb) / .62);font:500 7px/1.6 var(--mono);letter-spacing:.03em;justify-content:space-between;gap:20px;display:flex}.site-footer .footer-top nav{align-items:center}.site-footer .footer-top a{align-items:center;gap:4px;display:inline-flex}.site-footer .footer-top .action-icon{width:10px;height:10px}.site-footer a:focus-visible{outline:2px solid var(--blue);outline-offset:4px}.home-footer{z-index:1;width:min(100%,1240px);position:relative}@media (width<=760px){.site-footer{margin-top:65px}.site-footer .footer-top{flex-direction:column;align-items:flex-start;gap:22px}.site-footer .footer-wordmark{font-size:14vw}.site-footer .footer-bottom{flex-wrap:wrap;gap:10px}}.site-header{gap:28px}.header-menu,.header-theme-control{display:contents}.header-theme-label,.mobile-menu-toggle,.mobile-menu-heading,.mobile-menu-note{display:none}.site-nav{align-items:center;gap:24px;margin-left:16px;margin-right:auto;display:flex}.site-nav a{color:var(--ink);white-space:nowrap;font:600 10px var(--mono);letter-spacing:.04em;border-bottom:1px solid #0000;padding:9px 0;text-decoration:none}.site-nav .action-icon{vertical-align:-2px;width:12px;height:12px}.site-nav a:hover,.site-nav a[aria-current=page]{border-bottom-color:var(--red)}.site-nav a[aria-current=page]{color:var(--red)}.site-nav a:focus-visible{outline:2px solid var(--blue);outline-offset:4px}@media (width<=1000px){.site-header{--menu-duration:.24s;--menu-easing:cubic-bezier(.2, .8, .2, 1);gap:16px;height:76px;min-height:76px}.site-header .wordmark>span:last-child{display:inline}.header-menu{display:none}.mobile-menu-toggle{min-width:44px;min-height:44px;font:600 10px var(--mono);letter-spacing:.1em;cursor:pointer;background:0 0;border:0;justify-content:center;align-items:center;padding:10px;display:inline-flex}.mobile-menu-toggle i{width:24px;height:18px;display:block;position:relative}.mobile-menu-toggle i span{background:var(--ink);width:24px;height:2px;transition:transform var(--menu-duration) var(--menu-easing);position:absolute;left:0}.mobile-menu-toggle i span:first-child{top:4px}.mobile-menu-toggle i span:last-child{width:17px;top:12px;left:auto;right:0}.mobile-menu-toggle[aria-expanded=true] i span:first-child{transform:translateY(4px)rotate(45deg)}.mobile-menu-toggle[aria-expanded=true] i span:last-child{width:24px;transform:translateY(-4px)rotate(-45deg)}@media (hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){.mobile-menu-toggle{--equalizer-top-duration:1.314s;--equalizer-bottom-duration:1.814s;--equalizer-top-color-duration:3.429s;--equalizer-bottom-color-duration:4.429s;--equalizer-min-scale:.1;--equalizer-max-scale:1.4;--equalizer-easing:cubic-bezier(.45, 0, .55, 1)}.mobile-menu-toggle[aria-expanded=false]:hover i span{transform-origin:100%;animation:hamburger-equalizer var(--equalizer-top-duration) var(--equalizer-easing) infinite, hamburger-colors var(--equalizer-top-color-duration) linear infinite}.mobile-menu-toggle[aria-expanded=false]:hover i span:last-child{animation-duration:var(--equalizer-bottom-duration), var(--equalizer-bottom-color-duration);animation-direction:reverse,normal}@keyframes hamburger-equalizer{0%,to{transform:scaleX(1)}20%{transform:scaleX(var(--equalizer-max-scale))}48%{transform:scaleX(var(--equalizer-min-scale))}72%{transform:scaleX(1.15)}86%{transform:scaleX(.45)}}@keyframes hamburger-colors{0%,to{background-color:var(--ink)}34%{background-color:var(--blue)}68%{background-color:var(--red)}}}.mobile-menu-toggle:focus-visible,.mobile-menu-heading button:focus-visible{outline:2px solid var(--blue);outline-offset:4px}.header-menu[popover]{width:100%;max-width:none;height:100dvh;max-height:none;padding:max(20px, env(safe-area-inset-top,0px)) clamp(24px, 6vw, 56px) max(24px, env(safe-area-inset-bottom,0px));color:var(--ink);overscroll-behavior:contain;opacity:0;transition:opacity var(--menu-duration) ease, transform var(--menu-duration) var(--menu-easing), display var(--menu-duration) allow-discrete, overlay var(--menu-duration) allow-discrete;background:#ffffffab;border:0;border-radius:0;margin:0;display:none;position:fixed;inset:0;overflow-y:auto;transform:translateY(-8px)}.header-menu[popover]:popover-open{opacity:1;flex-direction:column;display:flex;transform:translateY(0)}.header-menu>*{flex-shrink:0;width:min(100%,560px);margin-left:auto;margin-right:auto}.header-menu::backdrop{background:rgb(var(--ink-rgb) / .08);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);opacity:0;transition:opacity var(--menu-duration) ease, display var(--menu-duration) allow-discrete, overlay var(--menu-duration) allow-discrete}.header-menu:popover-open::backdrop{opacity:1}@starting-style{.header-menu[popover]:popover-open{opacity:0;transform:translateY(-8px)}.header-menu:popover-open::backdrop{opacity:0}}.mobile-menu-heading{color:rgb(var(--ink-rgb) / .55);font:500 10px var(--mono);letter-spacing:.1em;justify-content:space-between;align-items:center;margin-bottom:clamp(12px,4vh,40px);display:flex}.mobile-menu-heading button{width:44px;height:44px;color:var(--ink);cursor:pointer;background:0 0;border:0;place-items:center;margin-right:-12px;font-size:20px;display:grid}.header-menu .site-nav{flex-direction:column;align-items:stretch;gap:0;margin:0 auto;display:flex}.header-menu .site-nav a{border-bottom:1px solid var(--line);min-height:clamp(62px,9dvh,86px);font:600 clamp(28px, 7vw, 40px) var(--sans);letter-spacing:-.035em;justify-content:space-between;align-items:center;padding:14px 0;display:flex}.header-menu .site-nav a[aria-current=page]:after{content:"";background:var(--red);border-radius:50%;width:7px;height:7px}.header-menu .site-nav .action-icon{width:20px;height:20px}.header-menu .top-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 12px;margin:24px auto;display:grid}.header-menu .text-button{border:1px solid var(--line);text-align:left;border-radius:8px;min-height:44px;padding:10px 12px;font-size:11px}.header-menu .text-button:hover{background:rgb(var(--ink-rgb) / .04);border-color:var(--ink)}.header-menu .text-button:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.header-menu .header-theme-control{border:1px solid var(--line);border-radius:8px;align-items:center;gap:10px;min-height:44px;padding:0 12px;display:flex;position:relative}.header-menu .paper-theme-toggle{background:0 0;border:0;border-radius:0;flex:1;width:auto;height:44px;position:static}.header-menu .paper-theme-toggle:before{content:"";border:1px solid var(--ink);background:linear-gradient(90deg, var(--toggle-warm) 0 50%, var(--toggle-white) 50%);border-radius:999px;width:36px;height:20px;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.header-menu .paper-theme-toggle span{width:12px;height:12px;top:50%;left:16px;transform:translateY(-50%)}.header-menu .paper-theme-toggle[data-theme=white] span{left:32px}.header-menu .header-theme-label{pointer-events:none;font:600 10px var(--mono);letter-spacing:.04em;display:block;position:absolute;left:58px}.mobile-menu-note{color:rgb(var(--ink-rgb) / .5);font:500 8px var(--mono);letter-spacing:.08em;margin:auto auto 0;padding-top:24px;display:block}}@media (prefers-reduced-motion:reduce){.site-header{--menu-duration:0s}.header-menu[popover],.header-menu::backdrop{transition:none;transform:none}}.deck-handoff{margin:12px 0}.deck-handoff>button{min-height:44px;color:var(--blue);justify-content:center;align-items:center;gap:8px;display:inline-flex}.deck-handoff-compact{margin:0}.deck-handoff-compact>button{border:1px solid var(--line);background:0 0;border-radius:8px;width:44px;padding:0}.deck-handoff-compact>button:hover:not(:disabled){border-color:var(--blue);background:rgb(var(--ink-rgb) / .04)}.deck-handoff>button:focus-visible{outline:3px solid var(--blue);outline-offset:3px}.deck-handoff>button[data-send-status=error]{color:var(--red)}.deck-dialog-scroll>.deck-handoff{padding:0 24px}